diff --git a/package.json b/package.json
index 7cf6abf90..bd2c343e8 100644
--- a/package.json
+++ b/package.json
@@ -100,7 +100,7 @@
     "babel-eslint": "^10.1.0",
     "babel-jest": "^26.1.0",
     "babel-loader": "^8.1.0",
-    "css-loader": "^4.0.0",
+    "css-loader": "^4.2.0",
     "eslint": "^7.5.0",
     "eslint-config-preact": "^1.1.1",
     "eslint-config-prettier": "^6.11.0",
diff --git a/yarn.lock b/yarn.lock
index 5c6f1402c..6691c488d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5629,10 +5629,10 @@ css-loader@^3.0.0, css-loader@^3.4.2:
     schema-utils "^2.7.0"
     semver "^6.3.0"
 
-css-loader@^4.0.0:
-  version "4.0.0"
-  resolved "https://registry.yarnpkg.com/css-loader/-/css-loader-4.0.0.tgz#814434d4e1e2d5f430c70e85e78268db7f3cced1"
-  integrity sha512-/7d5slKnmY2S39FNifJ7JQ8MhcMM/rDIjAZ2Sc/Z8lnOWOmc10hijg28ovBtljY364pQaF01O2nj5AIBDnJ9vQ==
+css-loader@^4.2.0:
+  version "4.2.0"
+  resolved "https://registry.yarnpkg.com/css-loader/-/css-loader-4.2.0.tgz#b57efb92ac8f0cd85bf92d89df9634ef1f51b8bf"
+  integrity sha512-ko7a9b0iFpWtk9eSI/C8IICvZeGtYnjxYjw45rJprokXj/+kBd/siX4vAIBq9Uij8Jubc4jL1EvSnTjCEwaHSw==
   dependencies:
     camelcase "^6.0.0"
     cssesc "^3.0.0"