diff --git a/package.json b/package.json
index b3759735..caed722d 100644
--- a/package.json
+++ b/package.json
@@ -51,7 +51,7 @@
     "babel-preset-es2015": "6.24.1",
     "babel-preset-react": "6.24.1",
     "codemirror": "5.39.2",
-    "css-loader": "0.28.9",
+    "css-loader": "0.28.11",
     "eslint": "4.19.1",
     "eslint-plugin-react": "7.5.1",
     "extract-text-webpack-plugin": "3.0.2",
diff --git a/yarn.lock b/yarn.lock
index 8b433f8d..90b08d9b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -114,6 +114,10 @@ ajv-keywords@^2.0.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/ajv-keywords/-/ajv-keywords-2.1.0.tgz#a296e17f7bfae7c1ce4f7e0de53d29cb32162df0"
 
+ajv-keywords@^2.1.0:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/ajv-keywords/-/ajv-keywords-2.1.1.tgz#617997fc5f60576894c435f940d819e135b80762"
+
 ajv-keywords@^3.1.0:
   version "3.2.0"
   resolved "https://registry.yarnpkg.com/ajv-keywords/-/ajv-keywords-3.2.0.tgz#e86b819c602cf8821ad637413698f1dec021847a"
@@ -1878,9 +1882,9 @@ css-color-names@0.0.4:
   version "0.0.4"
   resolved "https://registry.yarnpkg.com/css-color-names/-/css-color-names-0.0.4.tgz#808adc2e79cf84738069b646cb20ec27beb629e0"
 
-css-loader@0.28.9:
-  version "0.28.9"
-  resolved "https://registry.yarnpkg.com/css-loader/-/css-loader-0.28.9.tgz#68064b85f4e271d7ce4c48a58300928e535d1c95"
+css-loader@0.28.11:
+  version "0.28.11"
+  resolved "https://registry.yarnpkg.com/css-loader/-/css-loader-0.28.11.tgz#c3f9864a700be2711bb5a2462b2389b1a392dab7"
   dependencies:
     babel-code-frame "^6.26.0"
     css-selector-tokenizer "^0.7.0"