diff --git a/package.json b/package.json
index db62755..18041b5 100644
--- a/package.json
+++ b/package.json
@@ -74,8 +74,8 @@
     "html-webpack-plugin": "3.2.0",
     "mockjs": "1.0.1-beta3",
     "runjs": "^4.3.2",
-    "sass": "^1.52.1",
-    "sass-loader": "^7.1.0",
+    "sass": "1.52.1",
+    "sass-loader": "7.3.1",
     "script-ext-html-webpack-plugin": "2.1.3",
     "script-loader": "0.7.2",
     "serve-static": "^1.13.2",