diff --git a/system-contract-dapp-playground/package-lock.json b/system-contract-dapp-playground/package-lock.json
index f12869662..1eebf7750 100644
--- a/system-contract-dapp-playground/package-lock.json
+++ b/system-contract-dapp-playground/package-lock.json
@@ -24,7 +24,7 @@
         "framer-motion": "^10.15.0",
         "next": "13.4.12",
         "node-fetch": "^3.3.2",
-        "postcss": "8.4.27",
+        "postcss": "8.4.31",
         "react": "18.2.0",
         "react-csv": "^2.2.2",
         "react-dom": "18.2.0",
@@ -8672,9 +8672,9 @@
       }
     },
     "node_modules/postcss": {
-      "version": "8.4.27",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.27.tgz",
-      "integrity": "sha512-gY/ACJtJPSmUFPDCHtX78+01fHa64FaU4zaaWfuh1MhGJISufJAH4cun6k/8fwsHYeK4UQmENQK+tRLCFJE8JQ==",
+      "version": "8.4.31",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.31.tgz",
+      "integrity": "sha512-PS08Iboia9mts/2ygV3eLpY5ghnUcfLV/EXTOW1E2qYxJKGGBUtNjN76FYHnMs36RmARn41bC0AZmn+rR0OVpQ==",
       "funding": [
         {
           "type": "opencollective",
diff --git a/system-contract-dapp-playground/package.json b/system-contract-dapp-playground/package.json
index b0ff516b6..a6eacfa57 100644
--- a/system-contract-dapp-playground/package.json
+++ b/system-contract-dapp-playground/package.json
@@ -37,7 +37,7 @@
     "framer-motion": "^10.15.0",
     "next": "13.4.12",
     "node-fetch": "^3.3.2",
-    "postcss": "8.4.27",
+    "postcss": "8.4.31",
     "react": "18.2.0",
     "react-csv": "^2.2.2",
     "react-dom": "18.2.0",