diff --git a/build/javascript/package-lock.json b/build/javascript/package-lock.json
index ccf784f9f..fedfe66d7 100644
--- a/build/javascript/package-lock.json
+++ b/build/javascript/package-lock.json
@@ -20,7 +20,7 @@
       },
       "devDependencies": {
         "cssnano": "^5.0.12",
-        "postcss": "^8.4.4",
+        "postcss": "^8.4.5",
         "postcss-cli": "^9.1.0"
       }
     },
@@ -1562,9 +1562,9 @@
       }
     },
     "node_modules/postcss": {
-      "version": "8.4.4",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.4.tgz",
-      "integrity": "sha512-joU6fBsN6EIer28Lj6GDFoC/5yOZzLCfn0zHAn/MYXI7aPt4m4hK5KC5ovEZXy+lnCjmYIbQWngvju2ddyEr8Q==",
+      "version": "8.4.5",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.5.tgz",
+      "integrity": "sha512-jBDboWM8qpaqwkMwItqTQTiFikhs/67OYVvblFFTM7MrZjt6yMKd6r2kgXizEbTTljacm4NldIlZnhbjr84QYg==",
       "dev": true,
       "dependencies": {
         "nanoid": "^3.1.30",
@@ -4305,9 +4305,9 @@
       }
     },
     "postcss": {
-      "version": "8.4.4",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.4.tgz",
-      "integrity": "sha512-joU6fBsN6EIer28Lj6GDFoC/5yOZzLCfn0zHAn/MYXI7aPt4m4hK5KC5ovEZXy+lnCjmYIbQWngvju2ddyEr8Q==",
+      "version": "8.4.5",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.5.tgz",
+      "integrity": "sha512-jBDboWM8qpaqwkMwItqTQTiFikhs/67OYVvblFFTM7MrZjt6yMKd6r2kgXizEbTTljacm4NldIlZnhbjr84QYg==",
       "dev": true,
       "requires": {
         "nanoid": "^3.1.30",
diff --git a/build/javascript/package.json b/build/javascript/package.json
index 554fd04af..5587b0e2c 100644
--- a/build/javascript/package.json
+++ b/build/javascript/package.json
@@ -15,7 +15,7 @@
   },
   "devDependencies": {
     "cssnano": "^5.0.12",
-    "postcss": "^8.4.4",
+    "postcss": "^8.4.5",
     "postcss-cli": "^9.1.0"
   },
   "snowpack": {