diff --git a/playground/package-lock.json b/playground/package-lock.json
index 8a5bd8bf..2511d31c 100644
--- a/playground/package-lock.json
+++ b/playground/package-lock.json
@@ -23,7 +23,6 @@
         "jszip": "3.10.1",
         "monaco-editor": "0.44.0",
         "next": "14.1.1",
-        "postcss": "8.4.31",
         "react": "18.2.0",
         "react-complex-tree": "2.2.2",
         "react-complex-tree-blueprintjs-renderers": "2.2.2",
@@ -5767,11 +5766,11 @@
       ]
     },
     "node_modules/micromatch": {
-      "version": "4.0.5",
-      "resolved": "https://registry.npmjs.org/micromatch/-/micromatch-4.0.5.tgz",
-      "integrity": "sha512-DMy+ERcEW2q8Z2Po+WNXuw3c5YaUSFjAO5GsJqfEl7UjvtIuFKO6ZrKvcItdy98dwFI2N1tg3zNIdKaQT+aNdA==",
+      "version": "4.0.8",
+      "resolved": "https://registry.npmjs.org/micromatch/-/micromatch-4.0.8.tgz",
+      "integrity": "sha512-PXwfBhYu0hBCPw8Dn0E+WDYb7af3dSLVWKi3HGv84IdF4TyFoC0ysxFd0Goxw7nSv4T/PzEJQxsYsEiFCKo2BA==",
       "dependencies": {
-        "braces": "^3.0.2",
+        "braces": "^3.0.3",
         "picomatch": "^2.3.1"
       },
       "engines": {