diff --git a/lib/core/package.json b/lib/core/package.json
index 98c92b284f1..ba605ede953 100644
--- a/lib/core/package.json
+++ b/lib/core/package.json
@@ -47,7 +47,7 @@
     "commander": "^2.19.0",
     "common-tags": "^1.8.0",
     "core-js": "^2.5.7",
-    "css-loader": "^1.0.0",
+    "css-loader": "^1.0.1",
     "detect-port": "^1.2.3",
     "dotenv-webpack": "^1.5.7",
     "ejs": "^2.6.1",
diff --git a/yarn.lock b/yarn.lock
index 3fb10592930..ff37c2de687 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -7092,7 +7092,7 @@ css-in-js-utils@^2.0.0:
     hyphenate-style-name "^1.0.2"
     isobject "^3.0.1"
 
-css-loader@1.0.0, css-loader@^1.0.0:
+css-loader@1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/css-loader/-/css-loader-1.0.0.tgz#9f46aaa5ca41dbe31860e3b62b8e23c42916bf56"
   integrity sha512-tMXlTYf3mIMt3b0dDCOQFJiVvxbocJ5Ho577WiGPYPZcqVEO218L2iU22pDXzkTZCLDE+9AmGSUkWxeh/nZReA==
@@ -7110,6 +7110,24 @@ css-loader@1.0.0, css-loader@^1.0.0:
     postcss-value-parser "^3.3.0"
     source-list-map "^2.0.0"
 
+css-loader@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/css-loader/-/css-loader-1.0.1.tgz#6885bb5233b35ec47b006057da01cc640b6b79fe"
+  integrity sha512-+ZHAZm/yqvJ2kDtPne3uX0C+Vr3Zn5jFn2N4HywtS5ujwvsVkyg0VArEXpl3BgczDA8anieki1FIzhchX4yrDw==
+  dependencies:
+    babel-code-frame "^6.26.0"
+    css-selector-tokenizer "^0.7.0"
+    icss-utils "^2.1.0"
+    loader-utils "^1.0.2"
+    lodash "^4.17.11"
+    postcss "^6.0.23"
+    postcss-modules-extract-imports "^1.2.0"
+    postcss-modules-local-by-default "^1.2.0"
+    postcss-modules-scope "^1.1.0"
+    postcss-modules-values "^1.3.0"
+    postcss-value-parser "^3.3.0"
+    source-list-map "^2.0.0"
+
 css-parse@1.7.x:
   version "1.7.0"
   resolved "https://registry.yarnpkg.com/css-parse/-/css-parse-1.7.0.tgz#321f6cf73782a6ff751111390fc05e2c657d8c9b"