diff --git a/package.json b/package.json
index 81335fc..9cb766c 100644
--- a/package.json
+++ b/package.json
@@ -30,11 +30,11 @@
     "firebase-messaging": "1.0.6",
     "fs-extra": "3.0.1",
     "html-webpack-plugin": "2.29.0",
-    "jest": "20.0.4",
+    "jest": "26.0.0",
     "material-ui": "0.20.0",
     "material-ui-search-bar": "0.4.1",
     "moment": "2.20.1",
-    "node-sass": "4.7.2",
+    "node-sass": "9.0.0",
     "object-assign": "4.1.1",
     "postcss-flexbugs-fixes": "3.2.0",
     "postcss-loader": "2.0.8",
@@ -54,7 +54,7 @@
     "sw-precache-webpack-plugin": "0.11.4",
     "url-loader": "0.6.2",
     "webpack": "3.8.1",
-    "webpack-dev-server": "2.9.4",
+    "webpack-dev-server": "4.0.0",
     "webpack-manifest-plugin": "1.3.2",
     "whatwg-fetch": "2.0.3"
   },