diff --git a/.github/workflows/ubuntu.yml b/.github/workflows/ubuntu.yml
index 693df159..dee9420b 100644
--- a/.github/workflows/ubuntu.yml
+++ b/.github/workflows/ubuntu.yml
@@ -96,7 +96,7 @@ jobs:
       - name: Upload gem
         uses: actions/upload-artifact@v4
         with:
-          name: gem
+          name: gem-${{ matrix.os }}-${{ env.CC }}
           retention-days: 1
           path: pkg/*
 
@@ -134,7 +134,7 @@ jobs:
       - name: Download gem
         uses: actions/download-artifact@v4
         with:
-          name: gem
+          name: gem-${{ matrix.os }}-${{ env.CC }}
           retention-days: 1
           path: pkg/*
 
@@ -179,7 +179,7 @@ jobs:
       - name: Download gem
         uses: actions/download-artifact@v4
         with:
-          name: gem
+          name: gem-${{ matrix.os }}-${{ env.CC }}
           retention-days: 1
           path: pkg/*