diff --git a/live-css/package-lock.json b/live-css/package-lock.json
index d1df93f7..2382d20d 100644
--- a/live-css/package-lock.json
+++ b/live-css/package-lock.json
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       "requires": {
         "debug": "~4.1.0",
-        "engine.io": "~3.5.0",
+        "engine.io": "~3.6.0",
         "has-binary2": "~1.0.2",
         "socket.io-adapter": "~1.1.0",
-        "socket.io-client": "2.4.0",
+        "socket.io-client": "2.5.0",
         "socket.io-parser": "~3.4.0"
       },
       "dependencies": {
@@ -8316,9 +8316,9 @@
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     "socket.io-client": {
-      "version": "2.4.0",
-      "resolved": "https://registry.npmjs.org/socket.io-client/-/socket.io-client-2.4.0.tgz",
-      "integrity": "sha512-M6xhnKQHuuZd4Ba9vltCLT9oa+YvTsP8j9NcEiLElfIg8KeYPyhWOes6x4t+LTAC8enQbE/995AdTem2uNyKKQ==",
+      "version": "2.5.0",
+      "resolved": "https://registry.npmjs.org/socket.io-client/-/socket.io-client-2.5.0.tgz",
+      "integrity": "sha512-lOO9clmdgssDykiOmVQQitwBAF3I6mYcQAo7hQ7AM6Ny5X7fp8hIJ3HcQs3Rjz4SoggoxA1OgrQyY8EgTbcPYw==",
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         "backo2": "1.0.2",
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@@ -8344,12 +8344,12 @@
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           "resolved": "https://registry.npmjs.org/isarray/-/isarray-2.0.1.tgz",
-          "integrity": "sha1-o32U7ZzaLVmGXJ92/llu4fM4dB4="
+          "integrity": "sha512-c2cu3UxbI+b6kR3fy0nRnAhodsvR9dx7U5+znCOzdj6IfP3upFURTr0Xl5BlQZNKZjEtxrmVyfSdeE3O57smoQ=="
         },
         "socket.io-parser": {
-          "version": "3.3.2",
-          "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-3.3.2.tgz",
-          "integrity": "sha512-FJvDBuOALxdCI9qwRrO/Rfp9yfndRtc1jSgVgV8FDraihmSP/MLGD5PEuJrNfjALvcQ+vMDM/33AWOYP/JSjDg==",
+          "version": "3.3.3",
+          "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-3.3.3.tgz",
+          "integrity": "sha512-qOg87q1PMWWTeO01768Yh9ogn7chB9zkKtQnya41Y355S0UmpXgpcrFwAgjYJxu9BdKug5r5e9YtVSeWhKBUZg==",
           "requires": {
             "component-emitter": "~1.3.0",
             "debug": "~3.1.0",
@@ -8605,7 +8605,7 @@
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       "version": "0.1.4",
       "resolved": "https://registry.npmjs.org/to-array/-/to-array-0.1.4.tgz",
-      "integrity": "sha1-F+bBH3PdTz10zaek/zI46a2b+JA="
+      "integrity": "sha512-LhVdShQD/4Mk4zXNroIQZJC+Ap3zgLcDuwEdcmLv9CCO73NWockQDwyUnW/m8VX/EElfL6FcYx7EeutN4HJA6A=="
     },
     "to-object-path": {
       "version": "0.3.0",
@@ -8940,9 +8940,9 @@
       }
     },
     "ws": {
-      "version": "7.4.5",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-7.4.5.tgz",
-      "integrity": "sha512-xzyu3hFvomRfXKH8vOFMU3OguG6oOvhXMo3xsGy3xWExqaM2dxBbVxuD99O7m3ZUFMvvscsZDqxfgMaRr/Nr1g==",
+      "version": "7.4.6",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-7.4.6.tgz",
+      "integrity": "sha512-YmhHDO4MzaDLB+M9ym/mDA5z0naX8j7SIlT8f8z+I0VtzsRbekxEutHSme7NPS2qE8StCYQNUnfWdXta/Yu85A==",
       "requires": {}
     },
     "xdg-basedir": {
@@ -8951,9 +8951,9 @@
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     },
     "xmlhttprequest-ssl": {
-      "version": "1.5.5",
-      "resolved": "https://registry.npmjs.org/xmlhttprequest-ssl/-/xmlhttprequest-ssl-1.5.5.tgz",
-      "integrity": "sha1-wodrBhaKrcQOV9l+gRkayPQ5iz4="
+      "version": "1.6.3",
+      "resolved": "https://registry.npmjs.org/xmlhttprequest-ssl/-/xmlhttprequest-ssl-1.6.3.tgz",
+      "integrity": "sha512-3XfeQE/wNkvrIktn2Kf0869fC0BN6UpydVasGIeSm2B1Llihf7/0UfZM+eCkOw3P7bP4+qPgqhm7ZoxuJtFU0Q=="
     },
     "y18n": {
       "version": "5.0.8",
@@ -8987,7 +8987,7 @@
     "yeast": {
       "version": "0.1.2",
       "resolved": "https://registry.npmjs.org/yeast/-/yeast-0.1.2.tgz",
-      "integrity": "sha1-AI4G2AlDIMNy28L47XagymyKxBk="
+      "integrity": "sha512-8HFIh676uyGYP6wP13R/j6OJ/1HwJ46snpvzE7aHAN3Ryqh2yX6Xox2B4CUmTwwOIzlG3Bs7ocsP5dZH/R1Qbg=="
     }
   }
 }
diff --git a/live-css/package.json b/live-css/package.json
index f17795ff..eb2386f1 100644
--- a/live-css/package.json
+++ b/live-css/package.json
@@ -25,7 +25,7 @@
     "local-ip-addresses-and-hostnames": "^0.1.3",
     "nocache": "^2.1.0",
     "note-down": "^0.2.3",
-    "socket.io": "^2.3.0",
+    "socket.io": "^2.5.0",
     "tiny-emitter": "^2.1.0",
     "unused-filename": "^2.1.0",
     "update-notifier": "^5.1.0",