diff --git a/web/themes/custom/contribtracker/package-lock.json b/web/themes/custom/contribtracker/package-lock.json
index 6b012b70..9b9f7c0b 100644
--- a/web/themes/custom/contribtracker/package-lock.json
+++ b/web/themes/custom/contribtracker/package-lock.json
@@ -39,7 +39,7 @@
         "gulp-stylelint": "^13.0.0",
         "gulp-svgstore": "^9.0.0",
         "gulp-typescript": "^6.0.0-alpha.1",
-        "postcss": "^8.4.16",
+        "postcss": "^8.4.21",
         "prettier": "^2.7.1",
         "sass": "^1.55.0",
         "sass-toolkit": "^2.10.2",
@@ -12196,9 +12196,9 @@
       }
     },
     "node_modules/postcss": {
-      "version": "8.4.17",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.17.tgz",
-      "integrity": "sha512-UNxNOLQydcOFi41yHNMcKRZ39NeXlr8AxGuZJsdub8vIb12fHzcq37DTU/QtbI6WLxNg2gF9Z+8qtRwTj1UI1Q==",
+      "version": "8.4.21",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.21.tgz",
+      "integrity": "sha512-tP7u/Sn/dVxK2NnruI4H9BG+x+Wxz6oeZ1cJ8P6G/PZY0IKk4k/63TDsQf2kQq3+qoJeLm2kIBUNlZe3zgb4Zg==",
       "dev": true,
       "funding": [
         {
@@ -26315,9 +26315,9 @@
       "dev": true
     },
     "postcss": {
-      "version": "8.4.17",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.17.tgz",
-      "integrity": "sha512-UNxNOLQydcOFi41yHNMcKRZ39NeXlr8AxGuZJsdub8vIb12fHzcq37DTU/QtbI6WLxNg2gF9Z+8qtRwTj1UI1Q==",
+      "version": "8.4.21",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.21.tgz",
+      "integrity": "sha512-tP7u/Sn/dVxK2NnruI4H9BG+x+Wxz6oeZ1cJ8P6G/PZY0IKk4k/63TDsQf2kQq3+qoJeLm2kIBUNlZe3zgb4Zg==",
       "dev": true,
       "requires": {
         "nanoid": "^3.3.4",
diff --git a/web/themes/custom/contribtracker/package.json b/web/themes/custom/contribtracker/package.json
index 80b12d6c..cf5dd9d3 100644
--- a/web/themes/custom/contribtracker/package.json
+++ b/web/themes/custom/contribtracker/package.json
@@ -34,7 +34,7 @@
     "gulp-stylelint": "^13.0.0",
     "gulp-svgstore": "^9.0.0",
     "gulp-typescript": "^6.0.0-alpha.1",
-    "postcss": "^8.4.16",
+    "postcss": "^8.4.21",
     "prettier": "^2.7.1",
     "sass": "^1.55.0",
     "sass-toolkit": "^2.10.2",