diff --git a/.github/actions/clean-disk/action.yml b/.github/actions/clean-disk/action.yml
index 3743b92..7f75109 100644
--- a/.github/actions/clean-disk/action.yml
+++ b/.github/actions/clean-disk/action.yml
@@ -5,7 +5,7 @@ inputs:
   purge-packages:
     description: whether to remove apt packages
     required: false
-    default: 'true'
+    default: 'false'
   apt-manifest-url:
     description: url to apt-package manifest (default ubuntu-22.04.4)
     required: false