diff --git a/action.yml b/action.yml
index 1138852..0866db4 100644
--- a/action.yml
+++ b/action.yml
@@ -2,7 +2,7 @@ name: 'GitHub Environment Variables Action'
 description: 'Get useful Environment Variables.'
 author: 'Franz Diebold'
 runs:
-  using: 'node13'
+  using: 'node12'
   main: 'dist/index.js'
 branding:
   icon: 'plus-circle'