diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index 6d477c67..6831f380 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -50,17 +50,17 @@ jobs:
         buildPreset: ${{ env.MATRIX_PLATFORM }}-release
         buildPresetAdditionalArgs: "['--target', 'Minecraft.Client', 'Minecraft.Server']"
 
-    - name: Client Zip Build
-      run: 7z a -r LCE${{ matrix.platform }}.zip ./build/${{ env.MATRIX_PLATFORM }}/Minecraft.Client/Release/* "-x!*.ipdb" "-x!*.iobj"
+    - name: Client 7z Build
+      run: 7z a -r LCE${{ matrix.platform }}.7z ./build/${{ env.MATRIX_PLATFORM }}/Minecraft.Client/Release/* "-x!*.ipdb" "-x!*.iobj"
 
-    - name: Server Zip Build
-      run: 7z a -r LCEServer${{ matrix.platform }}.zip ./build/${{ env.MATRIX_PLATFORM }}/Minecraft.Server/Release/* "-x!*.ipdb" "-x!*.iobj"
+    - name: Server 7z Build
+      run: 7z a -r LCEServer${{ matrix.platform }}.7z ./build/${{ env.MATRIX_PLATFORM }}/Minecraft.Server/Release/* "-x!*.ipdb" "-x!*.iobj"
 
     - name: Stage artifacts
       run: |
         New-Item -ItemType Directory -Force -Path staging
-        Copy-Item LCE${{ matrix.platform }}.zip staging/
-        Copy-Item LCEServer${{ matrix.platform }}.zip staging/
+        Copy-Item LCE${{ matrix.platform }}.7z staging/
+        Copy-Item LCEServer${{ matrix.platform }}.7z staging/
 
     - name: Upload artifacts
       uses: actions/upload-artifact@v6
@@ -124,7 +124,7 @@ jobs:
 
         rm -rf runtime
         mkdir -p runtime
-        unzip .artifacts/LCEServerWindows64.zip -d runtime
+        7z x .artifacts/LCEServerWindows64.7z -oruntime
 
     - name: Compute image name
       id: image