diff --git a/src/playground/package-lock.json b/src/playground/package-lock.json
index 9d220825a93..cc5fea6624d 100644
--- a/src/playground/package-lock.json
+++ b/src/playground/package-lock.json
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+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.3.0.tgz",
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-        "source-map": "^0.6.1"
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@@ -6795,6 +6776,15 @@
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+      "resolved": "https://registry.npmjs.org/css-loader/-/css-loader-5.2.5.tgz",
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         "loader-utils": "^2.0.0",
-        "postcss": "^8.2.10",
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@@ -12495,9 +12478,9 @@
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-      "integrity": "sha512-/2ZUaJX2ANuLtTvqTlgqBQNJoQO398KyJgZloL0PZkC0dpysjncRUPsFe3DUPzz/y3h+u7C46np8RMuvF3jsSQ==",
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@@ -12975,22 +12958,14 @@
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+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.3.0.tgz",
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+        "nanoid": "^3.1.23",
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@@ -13930,6 +13905,12 @@
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+    "source-map-js": {
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+      "resolved": "https://registry.npmjs.org/source-map-js/-/source-map-js-0.6.2.tgz",
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diff --git a/src/playground/package.json b/src/playground/package.json
index 9be57975e83..5598c9b7db7 100644
--- a/src/playground/package.json
+++ b/src/playground/package.json
@@ -23,7 +23,7 @@
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     "copy-webpack-plugin": "^8.1.1",
-    "css-loader": "^5.2.4",
+    "css-loader": "^5.2.5",
     "eslint": "^7.26.0",
     "eslint-plugin-header": "^3.1.1",
     "eslint-plugin-jest": "^24.3.6",