diff --git a/package-lock.json b/package-lock.json
index b5dc1d9..272d165 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2256,9 +2256,9 @@
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-      "resolved": "https://registry.npmjs.org/@stencila/executa/-/executa-1.11.3.tgz",
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+      "version": "1.11.6",
+      "resolved": "https://registry.npmjs.org/@stencila/executa/-/executa-1.11.6.tgz",
+      "integrity": "sha512-7CxhHj2uJnx6wx0hyLDgInfy07QViDU2N1f/PlHv42mF+yBb8SJMDm1ii9iDrY5pVuXa0iAkEZ7pmFNM+Rj1VQ==",
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@@ -2273,14 +2273,13 @@
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         "fastify-jwt": "^1.3.1",
         "fastify-static": "^2.7.0",
-        "fastify-websocket": "^1.1.2",
         "globby": "^11.0.0",
         "historic-readline": "^1.0.8",
         "isomorphic-ws": "^4.0.1",
         "jmespath": "^0.15.0",
         "length-prefixed-stream": "^2.0.0",
         "mkdirp": "^1.0.4",
-        "nanoid": "^3.1.8",
+        "nanoid": "^3.1.9",
         "ora": "^4.0.4",
         "p-retry": "^4.2.0",
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@@ -6496,9 +6495,9 @@
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-      "resolved": "https://registry.npmjs.org/fastify-jwt/-/fastify-jwt-1.3.1.tgz",
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+      "resolved": "https://registry.npmjs.org/fastify-jwt/-/fastify-jwt-1.4.0.tgz",
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@@ -6538,16 +6537,6 @@
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-      "resolved": "https://registry.npmjs.org/fastify-websocket/-/fastify-websocket-1.1.2.tgz",
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-        "find-my-way": "^2.2.2",
-        "ws": "^7.2.3"
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@@ -6637,9 +6626,9 @@
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-      "resolved": "https://registry.npmjs.org/find-my-way/-/find-my-way-2.2.2.tgz",
-      "integrity": "sha512-zk3eOsS1tABNQjII0vCbhkqgsX/COpRUxl0b5rlA41V2Ft7jWDr30LhYq4BZXLAlzw5yskg24XQG/U1wCT30vQ==",
+      "version": "2.2.3",
+      "resolved": "https://registry.npmjs.org/find-my-way/-/find-my-way-2.2.3.tgz",
+      "integrity": "sha512-C7dxfbX8pV1maLd31ygkBEOaD51Ls4dROuHjeSQZf1FeQinUzq3UA/kSPecLSDy9iAQufd8w1zgp7j64kyLdhw==",
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@@ -11139,9 +11128,9 @@
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     "nanoid": {
-      "version": "3.1.8",
-      "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.1.8.tgz",
-      "integrity": "sha512-+kITo+bixOrnHjsPsrVa4gvWRxoSugEvCVygQ1q2NprxQcPHI+v9iID2zaGWFKBPkfuUiARIdWWIQonKdf6aQg=="
+      "version": "3.1.9",
+      "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.1.9.tgz",
+      "integrity": "sha512-fFiXlFo4Wkuei3i6w9SQI6yuzGRTGi8Z2zZKZpUxv/bQlBi4jtbVPBSNFZHQA9PNjofWqtIa8p+pnsc0kgZrhQ=="
     },
     "nanomatch": {
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@@ -18510,7 +18499,8 @@
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       "resolved": "https://registry.npmjs.org/ws/-/ws-7.3.0.tgz",
-      "integrity": "sha512-iFtXzngZVXPGgpTlP1rBqsUK82p9tKqsWRPg5L56egiljujJT3vGAYnHANvFxBieXrTFavhzhxW52jnaWV+w2w=="
+      "integrity": "sha512-iFtXzngZVXPGgpTlP1rBqsUK82p9tKqsWRPg5L56egiljujJT3vGAYnHANvFxBieXrTFavhzhxW52jnaWV+w2w==",
+      "dev": true
     },
     "xml-name-validator": {
       "version": "3.0.0",
diff --git a/package.json b/package.json
index 5b654c0..b413439 100644
--- a/package.json
+++ b/package.json
@@ -41,7 +41,7 @@
   },
   "homepage": "https://github.com/stencila/basha#readme",
   "dependencies": {
-    "@stencila/executa": "^1.11.3",
+    "@stencila/executa": "^1.11.6",
     "async-lock": "^1.2.4",
     "node-pty": "^0.9.0"
   },