diff --git a/README.md b/README.md
index 5099478..7b474ac 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@ Add this step into workflow
 
 ```
     - name: Set up Maven
-      uses: stCarolas/setup-maven@master
+      uses: stCarolas/setup-maven@v1
       with:
         maven-version: 3.5.4
 ```