diff --git a/action.yaml b/action.yaml
index 08029e0..e51b07e 100644
--- a/action.yaml
+++ b/action.yaml
@@ -2,7 +2,7 @@ name: 'Setup AGE & SOPS'
 description: 'Installs SOPS and AGE binaries'
 runs:
   using: 'node20'
-  main: 'dist/index.js'
+  main: 'dist/index.mjs'
 inputs:
   sopsVersion:
     description: The version of SOPS to install