diff --git a/build/javascript/package-lock.json b/build/javascript/package-lock.json
index 433d26f86..8f778227e 100644
--- a/build/javascript/package-lock.json
+++ b/build/javascript/package-lock.json
@@ -1805,9 +1805,9 @@
       }
     },
     "postcss": {
-      "version": "8.2.5",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.2.5.tgz",
-      "integrity": "sha512-wMcb7BpDcm3gxQOQx46NDNT36Kk0Ao6PJLLI2ed5vehbbbxCEuslSQzbQ2sfSKy+gkYxhWcGWSeaK+gwm4KIZg==",
+      "version": "8.2.6",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.2.6.tgz",
+      "integrity": "sha512-xpB8qYxgPuly166AGlpRjUdEYtmOWx2iCwGmrv4vqZL9YPVviDVPZPRXxnXr6xPZOdxQ9lp3ZBFCRgWJ7LE3Sg==",
       "dev": true,
       "requires": {
         "colorette": "^1.2.1",
diff --git a/build/javascript/package.json b/build/javascript/package.json
index 1666d1f24..45b739ef8 100644
--- a/build/javascript/package.json
+++ b/build/javascript/package.json
@@ -16,7 +16,7 @@
   },
   "devDependencies": {
     "cssnano": "^4.1.10",
-    "postcss": "^8.2.5",
+    "postcss": "^8.2.6",
     "postcss-cli": "^8.3.1"
   },
   "snowpack": {