diff --git a/package.json b/package.json
index d5df975..19dd7b0 100644
--- a/package.json
+++ b/package.json
@@ -31,7 +31,7 @@
     "gatsby-plugin-react-helmet": "4.0.0",
     "gatsby-plugin-react-i18next": "1.0.4",
     "gatsby-plugin-robots-txt": "1.5.5",
-    "gatsby-plugin-sass": "^4.0.0",
+    "gatsby-plugin-sass": "4.0.0",
     "gatsby-plugin-sharp": "3.0.0",
     "gatsby-plugin-sitemap": "3.0.0",
     "gatsby-source-filesystem": "3.0.0",