diff --git a/app/package.json b/app/package.json
index 9285fe6735b..8efc3c6f85c 100644
--- a/app/package.json
+++ b/app/package.json
@@ -57,15 +57,15 @@
     "@types/webpack-dev-server": "3.10.0",
     "@types/yargs": "15.0.4",
     "@vue/preload-webpack-plugin": "1.1.1",
-    "autoprefixer": "9.7.4",
+    "autoprefixer": "10.0.0",
     "chalk": "3.0.0",
     "chokidar": "3.3.1",
     "ci-info": "2.0.0",
     "compression-webpack-plugin": "3.1.0",
     "copy-webpack-plugin": "5.1.1",
     "cross-spawn": "7.0.1",
-    "css-loader": "3.4.2",
-    "cssnano": "4.1.10",
+    "css-loader": "5.0.0",
+    "cssnano": "5.0.0",
     "dot-prop": "5.2.0",
     "elementtree": "0.1.7",
     "express": "4.17.1",
@@ -91,11 +91,11 @@
     "node-loader": "0.6.0",
     "node-sass": "4.13.1",
     "open": "7.0.2",
-    "optimize-css-assets-webpack-plugin": "5.0.3",
+    "optimize-css-assets-webpack-plugin": "5.0.5",
     "ouch": "2.0.0",
-    "postcss-loader": "3.0.0",
-    "postcss-rtl": "1.7.2",
-    "postcss-safe-parser": "4.0.2",
+    "postcss-loader": "4.0.0",
+    "postcss-rtl": "2.0.0",
+    "postcss-safe-parser": "5.0.0",
     "register-service-worker": "1.6.2",
     "sass-loader": "8.0.2",
     "semver": "7.1.3",