diff --git a/2022-09-28-rest-directive/web/package.json b/2022-09-28-rest-directive/web/package.json
index 02141bc0..923d89b2 100644
--- a/2022-09-28-rest-directive/web/package.json
+++ b/2022-09-28-rest-directive/web/package.json
@@ -23,7 +23,7 @@
   },
   "devDependencies": {
     "autoprefixer": "10.4.13",
-    "postcss": "8.4.19",
+    "postcss": "8.4.39",
     "postcss-loader": "7.0.1",
     "tailwindcss": "3.2.4"
   }
diff --git a/2022-10-05-enum-select-options/web/package.json b/2022-10-05-enum-select-options/web/package.json
index b88054b3..3029f1eb 100644
--- a/2022-10-05-enum-select-options/web/package.json
+++ b/2022-10-05-enum-select-options/web/package.json
@@ -22,7 +22,7 @@
   },
   "devDependencies": {
     "autoprefixer": "10.4.13",
-    "postcss": "8.4.19",
+    "postcss": "8.4.39",
     "postcss-loader": "7.0.1",
     "tailwindcss": "3.2.4"
   }
diff --git a/2022-10-12-algolia-autocomplete/web/package.json b/2022-10-12-algolia-autocomplete/web/package.json
index 5a028a47..b4ff7c34 100644
--- a/2022-10-12-algolia-autocomplete/web/package.json
+++ b/2022-10-12-algolia-autocomplete/web/package.json
@@ -24,7 +24,7 @@
   },
   "devDependencies": {
     "autoprefixer": "10.4.13",
-    "postcss": "8.4.19",
+    "postcss": "8.4.39",
     "postcss-loader": "7.0.1",
     "tailwindcss": "3.2.4"
   }