diff --git a/package-lock.json b/package-lock.json
index 721a6cf..7f0d584 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,7 +9,7 @@
       "license": "MIT",
       "devDependencies": {
         "autoprefixer": "^10.2.6",
-        "postcss": "^8.3.0",
+        "postcss": "^8.3.4",
         "postcss-cli": "^8.3.1"
       }
     },
@@ -849,9 +849,9 @@
       }
     },
     "node_modules/postcss": {
-      "version": "8.3.0",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.3.0.tgz",
-      "integrity": "sha512-+ogXpdAjWGa+fdYY5BQ96V/6tAo+TdSSIMP5huJBIygdWwKtVoB5JWZ7yUd4xZ8r+8Kvvx4nyg/PQ071H4UtcQ==",
+      "version": "8.3.4",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.3.4.tgz",
+      "integrity": "sha512-/tZY0PXExXXnNhKv3TOvZAOUYRyuqcCbBm2c17YMDK0PlVII3K7/LKdt3ScHL+hhouddjUWi+1sKDf9xXW+8YA==",
       "dev": true,
       "dependencies": {
         "colorette": "^1.2.2",
@@ -1785,9 +1785,9 @@
       "dev": true
     },
     "postcss": {
-      "version": "8.3.0",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.3.0.tgz",
-      "integrity": "sha512-+ogXpdAjWGa+fdYY5BQ96V/6tAo+TdSSIMP5huJBIygdWwKtVoB5JWZ7yUd4xZ8r+8Kvvx4nyg/PQ071H4UtcQ==",
+      "version": "8.3.4",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.3.4.tgz",
+      "integrity": "sha512-/tZY0PXExXXnNhKv3TOvZAOUYRyuqcCbBm2c17YMDK0PlVII3K7/LKdt3ScHL+hhouddjUWi+1sKDf9xXW+8YA==",
       "dev": true,
       "requires": {
         "colorette": "^1.2.2",
diff --git a/package.json b/package.json
index e07943b..c0215fd 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,7 @@
   "homepage": "https://github.com/hossainemruz/toha#readme",
   "devDependencies": {
     "autoprefixer": "^10.2.6",
-    "postcss": "^8.3.0",
+    "postcss": "^8.3.4",
     "postcss-cli": "^8.3.1"
   }
 }