diff --git a/.github/workflows/build-debug.yml b/.github/workflows/build-debug.yml
index 320e635..c2c05bb 100644
--- a/.github/workflows/build-debug.yml
+++ b/.github/workflows/build-debug.yml
@@ -66,3 +66,4 @@ jobs:
         with:
           name: MasterMemory.${{ matrix.unity }}.unitypackage.zip
           path: ./src/MasterMemory.Unity/*.unitypackage
+          retention-days: 1
diff --git a/.github/workflows/build-release.yml b/.github/workflows/build-release.yml
index 484d52c..8990daa 100644
--- a/.github/workflows/build-release.yml
+++ b/.github/workflows/build-release.yml
@@ -42,6 +42,7 @@ jobs:
         with:
           name: nuget
           path: ./publish
+          retention-days: 1
 
   build-unity:
     needs: [update-packagejson]
@@ -90,6 +91,7 @@ jobs:
         with:
           name: MasterMemory.Unity.${{ inputs.tag }}.unitypackage
           path: ./src/MasterMemory.Unity/MasterMemory.Unity.${{ inputs.tag }}.unitypackage
+          retention-days: 1
 
   # release
   create-release: