diff --git a/action.yml b/action.yml
index db5445c..bc4393c 100644
--- a/action.yml
+++ b/action.yml
@@ -14,7 +14,7 @@ inputs:
 
 runs:
   using: 'docker'
-  image: 'docker.pkg.github.com/dtherhtun/google-chat-action/google-chat-action:v0.6'
+  image: 'docker://docker.pkg.github.com/dtherhtun/google-chat-action/google-chat-action:v0.6'
   args:
     - ${{ inputs.project }}
     - ${{ inputs.commit }}