diff --git a/README.md b/README.md
index 844e620..2359236 100644
--- a/README.md
+++ b/README.md
@@ -22,7 +22,7 @@ Get branch information without the `/ref/*` prefix
     steps:
       - uses: actions/checkout@v2
       - name: Get branch names
-        uses: tj-actions/branch-names@v2
+        uses: tj-actions/branch-names@v2.1
         id: branch-names
       
       - name: Current branch name
@@ -71,7 +71,7 @@ on:
     steps:
       - name: Get branch names.
         id: branch-names
-        uses: tj-actions/branch-names@v2
+        uses: tj-actions/branch-names@v2.1
       - uses: actions/checkout@v2
         with:
           ref: ${{ steps.branch-names.outputs.base_ref_branch }}