diff --git a/packages/app/package.json b/packages/app/package.json
index 524513b0e50..c8c39dd22a1 100644
--- a/packages/app/package.json
+++ b/packages/app/package.json
@@ -149,7 +149,7 @@
     "compare-versions": "^3.1.0",
     "console-feed": "^2.8.0",
     "css-modules-loader-core": "^1.1.0",
-    "cssnano": "^3.10.0",
+    "cssnano": "^5.0.0",
     "debug": "^2.6.8",
     "downshift": "^1.0.0-rc.14",
     "eslint-config-react-app": "^1.0.5",
@@ -163,9 +163,9 @@
     "graphql": "^0.11.7",
     "graphql-tag": "^2.9.2",
     "gsap": "^1.20.3",
-    "gulp": "^3.9.1",
+    "gulp": "^4.0.0",
     "gulp-filter": "^5.0.0",
-    "gulp-postcss": "^6.4.0",
+    "gulp-postcss": "^9.0.0",
     "gulp-rev": "^7.1.2",
     "hash-sum": "^1.0.2",
     "humps": "CompuIves/humps",