diff --git a/package.json b/package.json
index aad6308..b1a0625 100644
--- a/package.json
+++ b/package.json
@@ -65,7 +65,7 @@
     "node-sass": "3.4.2",
     "react-test-utils": "0.0.1",
     "react-transform-hmr": "1.0.0",
-    "sass-loader": "3.1.1",
+    "sass-loader": "4.0.1",
     "sinon": "1.10.3",
     "sinon-chai": "2.5.0",
     "style-loader": "0.12.2",