diff --git a/.travis.yml b/.travis.yml
index 56ba816..3abf51f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,6 @@
 language: node_js
 node_js:
-  - "6"
+  - "12"
 
 install:
   - npm install --dev
diff --git a/lib/core/ports.js b/lib/core/ports.js
index e077fed..05543de 100644
--- a/lib/core/ports.js
+++ b/lib/core/ports.js
@@ -7,18 +7,19 @@ function getPorts() {
     let clearDevicePrompt;
     return new Promise(
         (resolve, reject) => {
-            function portResolver(err, ports) {
-                if (err) reject(err);
-                const portNames = ports.map((port) => port.comName);
-                if (portNames.length > 0) {
-                    if (clearDevicePrompt) clearDevicePrompt();
-                    resolve(portNames);
-                } else {
-                    clearDevicePrompt = clearDevicePrompt || printLoading("Plug your device in", ".", 3);
-                    serialport.list(portResolver);
-                }
-            }
-            serialport.list(portResolver);
+            (function rerun() {
+                serialport.list().then(ports => {
+                    const portNames = ports.map(port => port.comName);
+                    console.log('portNames: ', portNames)
+                    if (portNames.length > 0) {
+                        if(clearDevicePrompt) clearDevicePrompt();
+                        resolve(portNames);
+                    } else {
+                        clearDevicePrompt = clearDevicePrompt || printLoading("Plug your device in", ".", 3);
+                        rerun()
+                    }
+                }).catch(reject);
+            })();
         });
 }
 
diff --git a/lib/new.js b/lib/new.js
index 42ce395..5be46b0 100644
--- a/lib/new.js
+++ b/lib/new.js
@@ -117,12 +117,7 @@ To upload to your device:
  * @param {String} directory The name of the desired new directory
  */
 function makeDirectory(directory) {
-    return new Promise((resolve, reject) => {
-        mkdirp(directory, err => {
-            if (err) reject(err);
-            else resolve();
-        });
-    });
+    return mkdirp(directory);
 }
 
 /**
diff --git a/package-lock.json b/package-lock.json
index 2981f6d..1715295 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4,289 +4,131 @@
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
-    "abbrev": {
-      "version": "1.0.9",
-      "resolved": "https://registry.npmjs.org/abbrev/-/abbrev-1.0.9.tgz",
-      "integrity": "sha1-kbR5JYinc4wl813W9jdSovh3YTU=",
-      "dev": true
-    },
-    "align-text": {
-      "version": "0.1.4",
-      "resolved": "https://registry.npmjs.org/align-text/-/align-text-0.1.4.tgz",
-      "integrity": "sha1-DNkKVhCT810KmSVsIrcGlDP60Rc=",
-      "dev": true,
-      "requires": {
-        "kind-of": "3.2.2",
-        "longest": "1.0.1",
-        "repeat-string": "1.6.1"
-      }
-    },
-    "amdefine": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/amdefine/-/amdefine-1.0.1.tgz",
-      "integrity": "sha1-SlKCrBZHKek2Gbz9OtFR+BfOkfU=",
-      "dev": true
-    },
-    "ansi-bgblack": {
-      "version": "0.1.1",
-      "resolved": "https://registry.npmjs.org/ansi-bgblack/-/ansi-bgblack-0.1.1.tgz",
-      "integrity": "sha1-poulAHiHcBtqr74/oNrf36juPKI=",
-      "requires": {
-        "ansi-wrap": "0.1.0"
-      }
-    },
-    "ansi-bgblue": {
-      "version": "0.1.1",
-      "resolved": "https://registry.npmjs.org/ansi-bgblue/-/ansi-bgblue-0.1.1.tgz",
-      "integrity": "sha1-Z73ATtybm1J4lp2hlt6j11yMNhM=",
-      "requires": {
-        "ansi-wrap": "0.1.0"
-      }
-    },
-    "ansi-bgcyan": {
-      "version": "0.1.1",
-      "resolved": "https://registry.npmjs.org/ansi-bgcyan/-/ansi-bgcyan-0.1.1.tgz",
-      "integrity": "sha1-WEiUJWAL3p9VBwaN2Wnr/bUP52g=",
-      "requires": {
-        "ansi-wrap": "0.1.0"
-      }
-    },
-    "ansi-bggreen": {
-      "version": "0.1.1",
-      "resolved": "https://registry.npmjs.org/ansi-bggreen/-/ansi-bggreen-0.1.1.tgz",
-      "integrity": "sha1-TjGRJIUplD9DIelr8THRwTgWr0k=",
-      "requires": {
-        "ansi-wrap": "0.1.0"
-      }
-    },
-    "ansi-bgmagenta": {
-      "version": "0.1.1",
-      "resolved": "https://registry.npmjs.org/ansi-bgmagenta/-/ansi-bgmagenta-0.1.1.tgz",
-      "integrity": "sha1-myhDLAduqpmUGGcqPvvhk5HCx6E=",
-      "requires": {
-        "ansi-wrap": "0.1.0"
-      }
-    },
-    "ansi-bgred": {
-      "version": "0.1.1",
-      "resolved": "https://registry.npmjs.org/ansi-bgred/-/ansi-bgred-0.1.1.tgz",
-      "integrity": "sha1-p2+Sg4OCukMpCmwXeEJPmE1vEEE=",
-      "requires": {
-        "ansi-wrap": "0.1.0"
-      }
-    },
-    "ansi-bgwhite": {
-      "version": "0.1.1",
-      "resolved": "https://registry.npmjs.org/ansi-bgwhite/-/ansi-bgwhite-0.1.1.tgz",
-      "integrity": "sha1-ZQRlE3elim7OzQMxmU5IAljhG6g=",
-      "requires": {
-        "ansi-wrap": "0.1.0"
-      }
-    },
-    "ansi-bgyellow": {
-      "version": "0.1.1",
-      "resolved": "https://registry.npmjs.org/ansi-bgyellow/-/ansi-bgyellow-0.1.1.tgz",
-      "integrity": "sha1-w/4usIzUdmSAKeaHTRWgs49h1E8=",
+    "@serialport/binding-abstract": {
+      "version": "9.0.1",
+      "resolved": "https://registry.npmjs.org/@serialport/binding-abstract/-/binding-abstract-9.0.1.tgz",
+      "integrity": "sha512-ncUFSRyVdpyCRuah2dzrs99UfEWWMAhV31ae2FT6j4f8TypQ8OgAF8KkcHiD4M3wORDh3UKCCTS7n8aJWge1RA==",
       "requires": {
-        "ansi-wrap": "0.1.0"
+        "debug": "^4.1.1"
       }
     },
-    "ansi-black": {
-      "version": "0.1.1",
-      "resolved": "https://registry.npmjs.org/ansi-black/-/ansi-black-0.1.1.tgz",
-      "integrity": "sha1-9hheiJNgslRaHsUMC/Bj/EMDJFM=",
+    "@serialport/binding-mock": {
+      "version": "9.0.1",
+      "resolved": "https://registry.npmjs.org/@serialport/binding-mock/-/binding-mock-9.0.1.tgz",
+      "integrity": "sha512-C01T6iX+nNKB7S6BhQEy5nfk4lUk/CkdFEfen9DDPYhtFtIsm5GCGvRB3Fjnp+8oDrGWJOrZfxFf3kWOOx665A==",
       "requires": {
-        "ansi-wrap": "0.1.0"
+        "@serialport/binding-abstract": "^9.0.1",
+        "debug": "^4.1.1"
       }
     },
-    "ansi-blue": {
-      "version": "0.1.1",
-      "resolved": "https://registry.npmjs.org/ansi-blue/-/ansi-blue-0.1.1.tgz",
-      "integrity": "sha1-FbgEmQ6S/JyoxUds6PaZd3wh7b8=",
+    "@serialport/bindings": {
+      "version": "9.0.1",
+      "resolved": "https://registry.npmjs.org/@serialport/bindings/-/bindings-9.0.1.tgz",
+      "integrity": "sha512-O5QuwCdnHuZygBKw7tVq2wHysfOnCbOyKtR/k9T9zHqptd89Tzy6xJQNtnrcbV/2D22noKX6yWj+1wqvNe6NRA==",
       "requires": {
-        "ansi-wrap": "0.1.0"
+        "@serialport/binding-abstract": "^9.0.1",
+        "@serialport/parser-readline": "^9.0.1",
+        "bindings": "^1.5.0",
+        "debug": "^4.1.1",
+        "nan": "^2.14.1",
+        "prebuild-install": "^5.3.5"
       }
     },
-    "ansi-bold": {
-      "version": "0.1.1",
-      "resolved": "https://registry.npmjs.org/ansi-bold/-/ansi-bold-0.1.1.tgz",
-      "integrity": "sha1-PmOVCvWswq4uZw5vZ96xFdGl9QU=",
-      "requires": {
-        "ansi-wrap": "0.1.0"
-      }
+    "@serialport/parser-byte-length": {
+      "version": "9.0.1",
+      "resolved": "https://registry.npmjs.org/@serialport/parser-byte-length/-/parser-byte-length-9.0.1.tgz",
+      "integrity": "sha512-1Ikv4lgCNw8OMf35yCpgzjHwkpgBEkhBuXFXIdWZk+ixaHFLlAtp03QxGPZBmzHMK58WDmEQoBHC1V5BkkAKSQ=="
     },
-    "ansi-colors": {
-      "version": "0.2.0",
-      "resolved": "https://registry.npmjs.org/ansi-colors/-/ansi-colors-0.2.0.tgz",
-      "integrity": "sha1-csMd4qDZoszQysMMyYI+6y9kNLU=",
-      "requires": {
-        "ansi-bgblack": "0.1.1",
-        "ansi-bgblue": "0.1.1",
-        "ansi-bgcyan": "0.1.1",
-        "ansi-bggreen": "0.1.1",
-        "ansi-bgmagenta": "0.1.1",
-        "ansi-bgred": "0.1.1",
-        "ansi-bgwhite": "0.1.1",
-        "ansi-bgyellow": "0.1.1",
-        "ansi-black": "0.1.1",
-        "ansi-blue": "0.1.1",
-        "ansi-bold": "0.1.1",
-        "ansi-cyan": "0.1.1",
-        "ansi-dim": "0.1.1",
-        "ansi-gray": "0.1.1",
-        "ansi-green": "0.1.1",
-        "ansi-grey": "0.1.1",
-        "ansi-hidden": "0.1.1",
-        "ansi-inverse": "0.1.1",
-        "ansi-italic": "0.1.1",
-        "ansi-magenta": "0.1.1",
-        "ansi-red": "0.1.1",
-        "ansi-reset": "0.1.1",
-        "ansi-strikethrough": "0.1.1",
-        "ansi-underline": "0.1.1",
-        "ansi-white": "0.1.1",
-        "ansi-yellow": "0.1.1",
-        "lazy-cache": "2.0.2"
-      },
-      "dependencies": {
-        "lazy-cache": {
-          "version": "2.0.2",
-          "resolved": "https://registry.npmjs.org/lazy-cache/-/lazy-cache-2.0.2.tgz",
-          "integrity": "sha1-uRkKT5EzVGlIQIWfio9whNiCImQ=",
-          "requires": {
-            "set-getter": "0.1.0"
-          }
-        }
-      }
+    "@serialport/parser-cctalk": {
+      "version": "9.0.1",
+      "resolved": "https://registry.npmjs.org/@serialport/parser-cctalk/-/parser-cctalk-9.0.1.tgz",
+      "integrity": "sha512-GtMda2DeJ+23bNqOc79JYV06dax2n3FLLFM3zA7nfReCOi98QbuDj4TUbFESMOnp4DB0oMO0GYHCR9gHOedTkg=="
     },
-    "ansi-cyan": {
-      "version": "0.1.1",
-      "resolved": "https://registry.npmjs.org/ansi-cyan/-/ansi-cyan-0.1.1.tgz",
-      "integrity": "sha1-U4rlKK+JgvKK4w2G8vF0VtJgmHM=",
-      "requires": {
-        "ansi-wrap": "0.1.0"
-      }
+    "@serialport/parser-delimiter": {
+      "version": "9.0.1",
+      "resolved": "https://registry.npmjs.org/@serialport/parser-delimiter/-/parser-delimiter-9.0.1.tgz",
+      "integrity": "sha512-+oaSl5zEu47OlrRiF5p5tn2qgGqYuhVcE+NI+Pv4E1xsNB/A0fFxxMv/8XUw466CRLEJ5IESIB9qbFvKE6ltaQ=="
     },
-    "ansi-dim": {
-      "version": "0.1.1",
-      "resolved": "https://registry.npmjs.org/ansi-dim/-/ansi-dim-0.1.1.tgz",
-      "integrity": "sha1-QN5MYDqoCG2Oeoa4/5mNXDbu/Ww=",
+    "@serialport/parser-readline": {
+      "version": "9.0.1",
+      "resolved": "https://registry.npmjs.org/@serialport/parser-readline/-/parser-readline-9.0.1.tgz",
+      "integrity": "sha512-38058gxvyfgdeLpg3aUyD98NuWkVB9yyTLpcSdeQ3GYiupivwH6Tdy/SKPmxlHIw3Ml2qil5MR2mtW2fLPB5CQ==",
       "requires": {
-        "ansi-wrap": "0.1.0"
+        "@serialport/parser-delimiter": "^9.0.1"
       }
     },
-    "ansi-gray": {
-      "version": "0.1.1",
-      "resolved": "https://registry.npmjs.org/ansi-gray/-/ansi-gray-0.1.1.tgz",
-      "integrity": "sha1-KWLPVOyXksSFEKPetSRDaGHvclE=",
-      "requires": {
-        "ansi-wrap": "0.1.0"
-      }
+    "@serialport/parser-ready": {
+      "version": "9.0.1",
+      "resolved": "https://registry.npmjs.org/@serialport/parser-ready/-/parser-ready-9.0.1.tgz",
+      "integrity": "sha512-lgzGkVJaaV1rJVx26WwI2UKyPxc0vu1rsOeldzA3VVbF+ABrblUQA06+cRPpT6k96GY+X4+1fB1rWuPpt8HbgQ=="
     },
-    "ansi-green": {
-      "version": "0.1.1",
-      "resolved": "https://registry.npmjs.org/ansi-green/-/ansi-green-0.1.1.tgz",
-      "integrity": "sha1-il2al55FjVfEDjNYCzc5C44Q0Pc=",
-      "requires": {
-        "ansi-wrap": "0.1.0"
-      }
+    "@serialport/parser-regex": {
+      "version": "9.0.1",
+      "resolved": "https://registry.npmjs.org/@serialport/parser-regex/-/parser-regex-9.0.1.tgz",
+      "integrity": "sha512-BHTV+Lkl+J8hSecFtDRENaR4fgA6tw44J+dmA1vEKEyum0iDN4bihbu8yvztYyo4PhBGUKDfm/PnD5EkJm0dPA=="
     },
-    "ansi-grey": {
-      "version": "0.1.1",
-      "resolved": "https://registry.npmjs.org/ansi-grey/-/ansi-grey-0.1.1.tgz",
-      "integrity": "sha1-WdmLasK6GfilF5jphT+6eDOaM8E=",
+    "@serialport/stream": {
+      "version": "9.0.1",
+      "resolved": "https://registry.npmjs.org/@serialport/stream/-/stream-9.0.1.tgz",
+      "integrity": "sha512-S1xaf99vygbrMDNS/9GHYZYskWJHXJy6dCksW+ME2dzNXEXpz64vF0iug1tC1EIAhME9oD/s3ky2C9CUAd/GUg==",
       "requires": {
-        "ansi-wrap": "0.1.0"
+        "debug": "^4.1.1"
       }
     },
-    "ansi-hidden": {
-      "version": "0.1.1",
-      "resolved": "https://registry.npmjs.org/ansi-hidden/-/ansi-hidden-0.1.1.tgz",
-      "integrity": "sha1-7WpMSY0rt8uyidvyqNHcyFZ/rg8=",
-      "requires": {
-        "ansi-wrap": "0.1.0"
-      }
+    "@types/color-name": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/@types/color-name/-/color-name-1.1.1.tgz",
+      "integrity": "sha512-rr+OQyAjxze7GgWrSaJwydHStIhHq2lvY3BOC2Mj7KnzI7XK0Uw1TOOdI9lDoajEbSWLiYgoo4f1R51erQfhPQ=="
     },
-    "ansi-inverse": {
-      "version": "0.1.1",
-      "resolved": "https://registry.npmjs.org/ansi-inverse/-/ansi-inverse-0.1.1.tgz",
-      "integrity": "sha1-tq9Fgm/oJr+1KKbHmIV5Q1XM0mk=",
-      "requires": {
-        "ansi-wrap": "0.1.0"
-      }
+    "abbrev": {
+      "version": "1.0.9",
+      "resolved": "https://registry.npmjs.org/abbrev/-/abbrev-1.0.9.tgz",
+      "integrity": "sha1-kbR5JYinc4wl813W9jdSovh3YTU=",
+      "dev": true
     },
-    "ansi-italic": {
-      "version": "0.1.1",
-      "resolved": "https://registry.npmjs.org/ansi-italic/-/ansi-italic-0.1.1.tgz",
-      "integrity": "sha1-EEdDRj9iXBQqA2c5z4XtpoiYbyM=",
-      "requires": {
-        "ansi-wrap": "0.1.0"
-      }
+    "amdefine": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/amdefine/-/amdefine-1.0.1.tgz",
+      "integrity": "sha1-SlKCrBZHKek2Gbz9OtFR+BfOkfU=",
+      "dev": true,
+      "optional": true
     },
-    "ansi-magenta": {
-      "version": "0.1.1",
-      "resolved": "https://registry.npmjs.org/ansi-magenta/-/ansi-magenta-0.1.1.tgz",
-      "integrity": "sha1-BjtboW+z8j4c/aKwfAqJ3hHkMK4=",
-      "requires": {
-        "ansi-wrap": "0.1.0"
-      }
+    "ansi-colors": {
+      "version": "4.1.1",
+      "resolved": "https://registry.npmjs.org/ansi-colors/-/ansi-colors-4.1.1.tgz",
+      "integrity": "sha512-JoX0apGbHaUJBNl6yF+p6JAFYZ666/hhCGKN5t9QFjbJQKUU/g8MNbFDbvfrgKXvI1QpZplPOnwIo99lX/AAmA==",
+      "dev": true
     },
-    "ansi-red": {
-      "version": "0.1.1",
-      "resolved": "https://registry.npmjs.org/ansi-red/-/ansi-red-0.1.1.tgz",
-      "integrity": "sha1-jGOPnRCAgAo1PJwoyKgcpHBdlGw=",
+    "ansi-escapes": {
+      "version": "4.3.1",
+      "resolved": "https://registry.npmjs.org/ansi-escapes/-/ansi-escapes-4.3.1.tgz",
+      "integrity": "sha512-JWF7ocqNrp8u9oqpgV+wH5ftbt+cfvv+PTjOvKLT3AdYly/LmORARfEVT1iyjwN+4MqE5UmVKoAdIBqeoCHgLA==",
       "requires": {
-        "ansi-wrap": "0.1.0"
+        "type-fest": "^0.11.0"
       }
     },
     "ansi-regex": {
-      "version": "2.1.1",
-      "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
-      "integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8="
-    },
-    "ansi-reset": {
-      "version": "0.1.1",
-      "resolved": "https://registry.npmjs.org/ansi-reset/-/ansi-reset-0.1.1.tgz",
-      "integrity": "sha1-5+cSksPH3c1NYu9KbHwFmAkRw7c=",
-      "requires": {
-        "ansi-wrap": "0.1.0"
-      }
-    },
-    "ansi-strikethrough": {
-      "version": "0.1.1",
-      "resolved": "https://registry.npmjs.org/ansi-strikethrough/-/ansi-strikethrough-0.1.1.tgz",
-      "integrity": "sha1-2Eh3FAss/wfRyT685pkE9oiF5Wg=",
-      "requires": {
-        "ansi-wrap": "0.1.0"
-      }
-    },
-    "ansi-underline": {
-      "version": "0.1.1",
-      "resolved": "https://registry.npmjs.org/ansi-underline/-/ansi-underline-0.1.1.tgz",
-      "integrity": "sha1-38kg9Ml7WXfqFi34/7mIMIqqcaQ=",
-      "requires": {
-        "ansi-wrap": "0.1.0"
-      }
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-5.0.0.tgz",
+      "integrity": "sha512-bY6fj56OUQ0hU1KjFNDQuJFezqKdrAyFdIevADiqrWHwSlbmBNMHp5ak2f40Pm8JTFyM2mqxkG6ngkHO11f/lg=="
     },
-    "ansi-white": {
-      "version": "0.1.1",
-      "resolved": "https://registry.npmjs.org/ansi-white/-/ansi-white-0.1.1.tgz",
-      "integrity": "sha1-nHe3wZPF7pkuYBHTbsTJIbRXiUQ=",
+    "ansi-styles": {
+      "version": "4.2.1",
+      "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-4.2.1.tgz",
+      "integrity": "sha512-9VGjrMsG1vePxcSweQsN20KY/c4zN0h9fLjqAbwbPfahM3t+NL+M9HC8xeXG2I8pX5NoamTGNuomEUFI7fcUjA==",
       "requires": {
-        "ansi-wrap": "0.1.0"
+        "@types/color-name": "^1.1.1",
+        "color-convert": "^2.0.1"
       }
     },
-    "ansi-wrap": {
-      "version": "0.1.0",
-      "resolved": "https://registry.npmjs.org/ansi-wrap/-/ansi-wrap-0.1.0.tgz",
-      "integrity": "sha1-qCJQ3bABXponyoLoLqYDu/pF768="
-    },
-    "ansi-yellow": {
-      "version": "0.1.1",
-      "resolved": "https://registry.npmjs.org/ansi-yellow/-/ansi-yellow-0.1.1.tgz",
-      "integrity": "sha1-y5NW8vRscy8OMZnmEClVp32oPB0=",
+    "anymatch": {
+      "version": "3.1.1",
+      "resolved": "https://registry.npmjs.org/anymatch/-/anymatch-3.1.1.tgz",
+      "integrity": "sha512-mM8522psRCqzV+6LhomX5wgp25YVibjh8Wj23I5RPkPppSVSjyKD2A2mBJmWGa+KN7f2D6LNh9jkBCeyLktzjg==",
+      "dev": true,
       "requires": {
-        "ansi-wrap": "0.1.0"
+        "normalize-path": "^3.0.0",
+        "picomatch": "^2.0.4"
       }
     },
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@@ -295,47 +137,41 @@
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+          "integrity": "sha512-QfAUtd+vFdAtFQcC8CCyYt1fYWxSqAiK2cSD6zDB8N3cpsEBAvRxp9zOGg6G/SHHJYAT88/az/IuDGALsNVbGg==",
+          "dev": true,
+          "requires": {
+            "color-name": "1.1.3"
+          }
+        },
+        "color-name": {
+          "version": "1.1.3",
+          "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.3.tgz",
+          "integrity": "sha1-p9BVi9icQveV3UIyj3QIMcpTvCU=",
+          "dev": true
+        },
+        "emoji-regex": {
+          "version": "7.0.3",
+          "resolved": "https://registry.npmjs.org/emoji-regex/-/emoji-regex-7.0.3.tgz",
+          "integrity": "sha512-CwBLREIQ7LvYFB0WyRvwhq5N5qPhc6PMjD6bYggFlI5YyDgl+0vxq5VHbMOFqLg7hfWzmu8T5Z1QofhmTIhItA==",
+          "dev": true
+        },
+        "find-up": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/find-up/-/find-up-3.0.0.tgz",
+          "integrity": "sha512-1yD6RmLI1XBfxugvORwlck6f75tYL+iR0jqwsOrOxMZyGYqUuDhJ0l4AXdO1iX/FTs9cBAMEk1gWSEx1kSbylg==",
+          "dev": true,
+          "requires": {
+            "locate-path": "^3.0.0"
+          }
+        },
+        "is-fullwidth-code-point": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-2.0.0.tgz",
+          "integrity": "sha1-o7MKXE8ZkYMWeqq5O+764937ZU8=",
+          "dev": true
+        },
+        "locate-path": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/locate-path/-/locate-path-3.0.0.tgz",
+          "integrity": "sha512-7AO748wWnIhNqAuaty2ZWHkQHRSNfPVIsPIfwEOWO22AmaoVrWavlOcMR5nzTLNYvp36X220/maaRsrec1G65A==",
+          "dev": true,
+          "requires": {
+            "p-locate": "^3.0.0",
+            "path-exists": "^3.0.0"
+          }
+        },
+        "p-locate": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/p-locate/-/p-locate-3.0.0.tgz",
+          "integrity": "sha512-x+12w/To+4GFfgJhBEpiDcLozRJGegY+Ei7/z0tSLkMmxGZNybVMSfWj9aJn8Z5Fc7dBUNJOOVgPv2H7IwulSQ==",
+          "dev": true,
+          "requires": {
+            "p-limit": "^2.0.0"
+          }
+        },
+        "path-exists": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/path-exists/-/path-exists-3.0.0.tgz",
+          "integrity": "sha1-zg6+ql94yxiSXqfYENe1mwEP1RU=",
+          "dev": true
+        },
+        "string-width": {
+          "version": "3.1.0",
+          "resolved": "https://registry.npmjs.org/string-width/-/string-width-3.1.0.tgz",
+          "integrity": "sha512-vafcv6KjVZKSgz06oM/H6GDBrAtz8vdhQakGjFIvNrHA6y3HCF1CInLy+QLq8dTJPQ1b+KDUqDFctkdRW44e1w==",
+          "dev": true,
+          "requires": {
+            "emoji-regex": "^7.0.1",
+            "is-fullwidth-code-point": "^2.0.0",
+            "strip-ansi": "^5.1.0"
           }
         },
         "strip-ansi": {
-          "version": "4.0.0",
-          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-4.0.0.tgz",
-          "integrity": "sha1-qEeQIusaw2iocTibY1JixQXuNo8=",
+          "version": "5.2.0",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-5.2.0.tgz",
+          "integrity": "sha512-DuRs1gKbBqsMKIZlrffwlug8MHkcnpjs5VPmL1PAh+mA30U0DTotfDZ0d2UUsXpPmPmMMJ6W773MaA3J+lbiWA==",
+          "dev": true,
+          "requires": {
+            "ansi-regex": "^4.1.0"
+          }
+        },
+        "wrap-ansi": {
+          "version": "5.1.0",
+          "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-5.1.0.tgz",
+          "integrity": "sha512-QC1/iN/2/RPVJ5jYK8BGttj5z83LmSKmvbvrXPNCLZSEb32KKVDJDl/MOt2N01qU2H/FkzEa9PKto1BqDjtd7Q==",
+          "dev": true,
+          "requires": {
+            "ansi-styles": "^3.2.0",
+            "string-width": "^3.0.0",
+            "strip-ansi": "^5.0.0"
+          }
+        },
+        "yargs": {
+          "version": "14.2.3",
+          "resolved": "https://registry.npmjs.org/yargs/-/yargs-14.2.3.tgz",
+          "integrity": "sha512-ZbotRWhF+lkjijC/VhmOT9wSgyBQ7+zr13+YLkhfsSiTriYsMzkTUFP18pFhWwBeMa5gUc1MzbhrO6/VB7c9Xg==",
+          "dev": true,
           "requires": {
-            "ansi-regex": "3.0.0"
+            "cliui": "^5.0.0",
+            "decamelize": "^1.2.0",
+            "find-up": "^3.0.0",
+            "get-caller-file": "^2.0.1",
+            "require-directory": "^2.1.1",
+            "require-main-filename": "^2.0.0",
+            "set-blocking": "^2.0.0",
+            "string-width": "^3.0.0",
+            "which-module": "^2.0.0",
+            "y18n": "^4.0.0",
+            "yargs-parser": "^15.0.1"
           }
         },
         "yargs-parser": {
-          "version": "9.0.2",
-          "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-9.0.2.tgz",
-          "integrity": "sha1-nM9qQ0YP5O1Aqbto9I1DuKaMwHc=",
+          "version": "15.0.1",
+          "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-15.0.1.tgz",
+          "integrity": "sha512-0OAMV2mAZQrs3FkNpDQcBk1x5HXb8X4twADss4S0Iuk+2dGnLOE/fRHrsYm542GduMveyA77OF4wrNJuanRCWw==",
+          "dev": true,
           "requires": {
-            "camelcase": "4.1.0"
+            "camelcase": "^5.0.0",
+            "decamelize": "^1.2.0"
           }
         }
       }
diff --git a/package.json b/package.json
index 6f7d402..53fd77a 100644
--- a/package.json
+++ b/package.json
@@ -29,17 +29,17 @@
   "homepage": "https://github.com/thingsSDK/thingssdk-cli#readme",
   "dependencies": {
     "colors": "^1.2.1",
-    "inquirer": "^5.2.0",
-    "mkdirp": "^0.5.1",
-    "serialport": "^6.1.1",
-    "yargs": "11.0.0"
+    "inquirer": "^7.3.3",
+    "mkdirp": "^1.0.4",
+    "serialport": "^9.0.1",
+    "yargs": "^15.4.1"
   },
   "devDependencies": {
     "chai": "^4.1.2",
     "istanbul": "^0.4.5",
-    "mocha": "^5.0.5",
+    "mocha": "^8.1.3",
     "proxyquire": "^2.0.1",
-    "rimraf": "^2.6.2",
+    "rimraf": "^3.0.2",
     "suppose": "^0.6.2"
   }
 }
diff --git a/test/commands/test-devices.js b/test/commands/test-devices.js
index c41cd28..856495c 100644
--- a/test/commands/test-devices.js
+++ b/test/commands/test-devices.js
@@ -38,14 +38,12 @@ describe("thingssdk devices", () => {
 
     before(done => {
       cleanTmp(() => {
-        mkdirp(checkDevicesPath, (err) => {
-          done();
-        });
+        mkdirp(checkDevicesPath).then(() => {done()}).catch(done);
       });
     });
 
     it("should create a `devices.json` in the correct folder", done => {
-      mkdirp(checkDevicesPath, (err) => {
+      mkdirp(checkDevicesPath).then(() => {
         devicesCommand(validArguments).then(() => {
           const devices = JSON.parse(fs.readFileSync(jsonPath));
           const expectedJson = {
@@ -59,12 +57,12 @@ describe("thingssdk devices", () => {
           assert.deepEqual(devices, expectedJson, "devices.json didn't match expectedJson");
           done();
         });
-      });
+      }).catch(done);
     });
 
 
     it("should create a `devices.json` in the correct folder with different params", done => {
-      mkdirp(checkDevicesPath, (err) => {
+      mkdirp(checkDevicesPath).then(() => {
         devicesCommand(otherValidArguments).then(() => {
           const devices = JSON.parse(fs.readFileSync(jsonPath));
           const expectedJson = {
@@ -78,7 +76,7 @@ describe("thingssdk devices", () => {
           assert.deepEqual(devices, expectedJson, "devices.json didn't match expectedJson");
           done();
         });
-      });
+      }).catch(done);
     });
 
     it("should exit correctly when correct aguments are passed", () => {
diff --git a/test/commands/test-new.js b/test/commands/test-new.js
index 6bddc09..51704f4 100644
--- a/test/commands/test-new.js
+++ b/test/commands/test-new.js
@@ -1,7 +1,6 @@
 'use strict';
 
 const assert = require('chai').assert;
-const mkdirp = require('mkdirp');
 const {createApplication: newCommand} = require("../../lib/new");
 const fs = require('fs');
 const path = require('path');
diff --git a/test/unit/test-file.js b/test/unit/test-file.js
index 41abebe..87674f6 100644
--- a/test/unit/test-file.js
+++ b/test/unit/test-file.js
@@ -44,7 +44,7 @@ describe("function isDirectoryEmpty()", () => {
 
     it("should return true if the given directory is empty", (done) => {
         const emptyDirectory = path.resolve(__dirname, "empty");
-        mkdirp(emptyDirectory);
+        mkdirp.sync(emptyDirectory);
 
         /**
           Initialize actual here so that we can update it with
diff --git a/test/unit/test-ports.js b/test/unit/test-ports.js
index c85dd8a..cf0201c 100644
--- a/test/unit/test-ports.js
+++ b/test/unit/test-ports.js
@@ -11,9 +11,7 @@ describe("function getPorts()", () => {
     before(() => {
         getPorts = proxyquire('../../lib/core/ports', {
             'serialport': {
-                list: (callback) => {
-                    callback(error, ports);
-                }
+                list: () => (error ? Promise.reject(error) : Promise.resolve(ports))
             }
         }).getPorts;
     });
@@ -61,9 +59,11 @@ describe("function getPorts()", () => {
         let callBackTime = 0;
         const getPorts = proxyquire('../../lib/core/ports', {
             'serialport': {
-                list: (callback) => {
+                list: () => {
                     const ports = calls.shift();
-                    setTimeout(() => callback(null, ports), callBackTime+=1200);
+                    return new Promise((resolve) => {
+                        setTimeout(resolve, callBackTime+=1200, ports);
+                    });
                 }
             }
         }).getPorts;