diff --git a/package-lock.json b/package-lock.json
index 37a1145aff..d8a07e919d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "gatsby-starter-lumen",
-  "version": "1.4.991",
+  "version": "1.4.992",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "gatsby-starter-lumen",
-      "version": "1.4.991",
+      "version": "1.4.992",
       "license": "MIT",
       "dependencies": {
         "@alxshelepenok/diesel": "^1.0.1016",
@@ -90,7 +90,7 @@
         "jest-svg-transformer": "^1.0.0",
         "lint-staged": "^14.0.1",
         "lost": "9.0.2",
-        "postcss": "^8.4.28",
+        "postcss": "^8.4.29",
         "postcss-scss": "^4.0.7",
         "prettier": "^3.0.2",
         "prettier-plugin-packagejson": "^2.4.5",
@@ -28270,9 +28270,9 @@
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     },
     "node_modules/postcss": {
-      "version": "8.4.28",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.28.tgz",
-      "integrity": "sha512-Z7V5j0cq8oEKyejIKfpD8b4eBy9cwW2JWPk0+fB1HOAMsfHbnAXLLS+PfVWlzMSLQaWttKDt607I0XHmpE67Vw==",
+      "version": "8.4.29",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.29.tgz",
+      "integrity": "sha512-cbI+jaqIeu/VGqXEarWkRCCffhjgXc0qjBtXpqJhTBohMUjUQnbBr0xqX3vEKudc4iviTewcJo5ajcec5+wdJw==",
       "funding": [
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           "type": "opencollective",
@@ -56385,9 +56385,9 @@
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     },
     "postcss": {
-      "version": "8.4.28",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.28.tgz",
-      "integrity": "sha512-Z7V5j0cq8oEKyejIKfpD8b4eBy9cwW2JWPk0+fB1HOAMsfHbnAXLLS+PfVWlzMSLQaWttKDt607I0XHmpE67Vw==",
+      "version": "8.4.29",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.29.tgz",
+      "integrity": "sha512-cbI+jaqIeu/VGqXEarWkRCCffhjgXc0qjBtXpqJhTBohMUjUQnbBr0xqX3vEKudc4iviTewcJo5ajcec5+wdJw==",
       "requires": {
         "nanoid": "^3.3.6",
         "picocolors": "^1.0.0",
diff --git a/package.json b/package.json
index 98e9aa4c2e..70a9eed4f4 100644
--- a/package.json
+++ b/package.json
@@ -128,7 +128,7 @@
     "jest-svg-transformer": "^1.0.0",
     "lint-staged": "^14.0.1",
     "lost": "9.0.2",
-    "postcss": "^8.4.28",
+    "postcss": "^8.4.29",
     "postcss-scss": "^4.0.7",
     "prettier": "^3.0.2",
     "prettier-plugin-packagejson": "^2.4.5",