diff --git a/.github/workflows/delete-old-packages.yml b/.github/workflows/delete-old-packages.yml
index 517560ede..323a9a0a2 100644
--- a/.github/workflows/delete-old-packages.yml
+++ b/.github/workflows/delete-old-packages.yml
@@ -22,4 +22,4 @@ jobs:
           min-versions-to-keep: 25
 
           # Ignore versions only containing version numbers
-          ignore-versions: '^\\d*\\.\\d*\\.\\d*$'
+          ignore-versions: '^\\d*\\.\\d*\\.\\d*(-SNAPSHOT)?$'