diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 318d958..bd1934d 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -128,6 +128,12 @@ jobs:
               phishingclub \
               phishingclub.sig
 
+          # create legacy-named package (amd64) for backward compatibility with pre-arm versions
+          tar -czf packages/phishingclub_${{ steps.get_version.outputs.VERSION }}.tar.gz \
+              -C build/amd64 \
+              phishingclub \
+              phishingclub.sig
+
       - name: Build and push multi-arch Docker image
         uses: docker/build-push-action@v5
         with:
@@ -186,6 +192,7 @@ jobs:
           gh release create ${{ steps.get_version.outputs.TAG }} \
             ./packages/phishingclub_${{ steps.get_version.outputs.VERSION }}_linux_amd64.tar.gz \
             ./packages/phishingclub_${{ steps.get_version.outputs.VERSION }}_linux_arm64.tar.gz \
+            ./packages/phishingclub_${{ steps.get_version.outputs.VERSION }}.tar.gz \
             --title "PhishingClub ${{ steps.get_version.outputs.TAG }}" \
             --notes "${{ steps.get_release_notes.outputs.NOTES }}"
 
diff --git a/.github/workflows/test-build.yml b/.github/workflows/test-build.yml
index dbe81c1..a72fdba 100644
--- a/.github/workflows/test-build.yml
+++ b/.github/workflows/test-build.yml
@@ -150,6 +150,20 @@ jobs:
             echo "✅ ARM64 package created without signature"
           fi
 
+          # create legacy-named package (amd64) for backward compatibility with pre-arm versions
+          if [ -f build/amd64/phishingclub.sig ]; then
+            tar -czf packages/phishingclub_${{ steps.get_version.outputs.VERSION }}.tar.gz \
+                -C build/amd64 \
+                phishingclub \
+                phishingclub.sig
+            echo "✅ Legacy package created with signature"
+          else
+            tar -czf packages/phishingclub_${{ steps.get_version.outputs.VERSION }}.tar.gz \
+                -C build/amd64 \
+                phishingclub
+            echo "✅ Legacy package created without signature"
+          fi
+
       - name: Build and push test multi-arch Docker image
         uses: docker/build-push-action@v5
         with:
@@ -210,4 +224,5 @@ jobs:
             build/arm64/phishingclub.sig
             packages/phishingclub_${{ steps.get_version.outputs.VERSION }}_linux_amd64.tar.gz
             packages/phishingclub_${{ steps.get_version.outputs.VERSION }}_linux_arm64.tar.gz
+            packages/phishingclub_${{ steps.get_version.outputs.VERSION }}.tar.gz
           retention-days: 2