diff --git a/README.md b/README.md
index 9aca9e4..8630f37 100644
--- a/README.md
+++ b/README.md
@@ -82,7 +82,7 @@ jobs:
 
     steps:
       - uses: actions/checkout@v1.0.0
-      - uses: actions/setup-elixir@1.0.0
+      - uses: actions/setup-elixir@v1.0.0
         with:
           otp-version: 22.x
           elixir-version: 1.9.x