diff --git a/Pipfile.lock b/Pipfile.lock
index f54ad7a..22b4297 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -18,10 +18,10 @@
     "default": {
         "certifi": {
             "hashes": [
-                "sha256:13e698f54293db9f89122b0581843a782ad0934a4fe0172d2a980ba77fc61bb7",
-                "sha256:9fa520c1bacfb634fa7af20a76bcbd3d5fb390481724c597da32c719a7dca4b0"
+                "sha256:e4f3620cfea4f83eedc95b24abd9cd56f3c4b146dd0177e83a21b4eb49e21e50",
+                "sha256:fd7c7c74727ddcf00e9acd26bba8da604ffec95bf1c2144e67aff7a8b50e6cef"
             ],
-            "version": "==2018.4.16"
+            "version": "==2019.9.11"
         },
         "chardet": {
             "hashes": [
@@ -40,11 +40,11 @@
         },
         "djangorestframework": {
             "hashes": [
-                "sha256:b6714c3e4b0f8d524f193c91ecf5f5450092c2145439ac2769711f7eba89a9d9",
-                "sha256:c375e4f95a3a64fccac412e36fb42ba36881e52313ec021ef410b40f67cddca4"
+                "sha256:79c6efbb2514bc50cf25906d7c0a5cfead714c7af667ff4bd110312cd380ae66",
+                "sha256:a4138613b67e3a223be6c97f53b13d759c5b90d2b433bad670b8ebf95402075f"
             ],
             "index": "pypi",
-            "version": "==3.8.2"
+            "version": "==3.9.1"
         },
         "idna": {
             "hashes": [
@@ -55,10 +55,10 @@
         },
         "pytz": {
             "hashes": [
-                "sha256:65ae0c8101309c45772196b21b74c46b2e5d11b6275c45d251b150d5da334555",
-                "sha256:c06425302f2cf668f1bba7a0a03f3c1d34d4ebeef2c72003da308b3947c7f749"
+                "sha256:1c557d7d0e871de1f5ccd5833f60fb2550652da6be2693c1e02300743d21500d",
+                "sha256:b02c06db6cf09c12dd25137e563b31700d3b80fcc4ad23abb7a315f2789819be"
             ],
-            "version": "==2018.4"
+            "version": "==2019.3"
         },
         "requests": {
             "hashes": [