diff --git a/build/javascript/package-lock.json b/build/javascript/package-lock.json
index 0106cd827..628e79614 100644
--- a/build/javascript/package-lock.json
+++ b/build/javascript/package-lock.json
@@ -1507,9 +1507,9 @@
       }
     },
     "postcss": {
-      "version": "8.2.9",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.2.9.tgz",
-      "integrity": "sha512-b+TmuIL4jGtCHtoLi+G/PisuIl9avxs8IZMSmlABRwNz5RLUUACrC+ws81dcomz1nRezm5YPdXiMEzBEKgYn+Q==",
+      "version": "8.2.10",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.2.10.tgz",
+      "integrity": "sha512-b/h7CPV7QEdrqIxtAf2j31U5ef05uBDuvoXv6L51Q4rcS1jdlXAVKJv+atCFdUXYl9dyTHGyoMzIepwowRJjFw==",
       "dev": true,
       "requires": {
         "colorette": "^1.2.2",
diff --git a/build/javascript/package.json b/build/javascript/package.json
index d632a2266..0473a03a2 100644
--- a/build/javascript/package.json
+++ b/build/javascript/package.json
@@ -16,7 +16,7 @@
   },
   "devDependencies": {
     "cssnano": "^5.0.0",
-    "postcss": "^8.2.9",
+    "postcss": "^8.2.10",
     "postcss-cli": "^8.3.1"
   },
   "snowpack": {