diff --git a/.github/workflows/cloud-runner-aws-pipeline.yml b/.github/workflows/cloud-runner-aws-pipeline.yml
index 0fecb476..832e2079 100644
--- a/.github/workflows/cloud-runner-aws-pipeline.yml
+++ b/.github/workflows/cloud-runner-aws-pipeline.yml
@@ -91,7 +91,7 @@ jobs:
                 aws s3 ls game-ci-test-storage
                 ls /data/cache/$CACHE_KEY
                 ls /data/cache/$CACHE_KEY/build
-                aws s3 cp /data/cache/$CACHE_KEY/build/build-$BUILD_GUID.zip s3://game-ci-test-storage/$CACHE_KEY/build-$BUILD_GUID.zip
+                aws s3 cp /data/cache/$CACHE_KEY/build/build-$BUILD_GUID.tar s3://game-ci-test-storage/$CACHE_KEY/build-$BUILD_GUID.tar
               secrets:
               - name: awsAccessKeyId
                 value: ${{ secrets.AWS_ACCESS_KEY_ID }}
@@ -100,7 +100,7 @@ jobs:
               - name: awsDefaultRegion
                 value: eu-west-2
       - run: |
-          aws s3 cp s3://game-ci-test-storage/${{ steps.aws-fargate-unity-build.outputs.CACHE_KEY }}/build-${{ steps.aws-fargate-unity-build.outputs.BUILD_GUID }}.zip build-${{ steps.aws-fargate-unity-build.outputs.BUILD_GUID }}.zip
+          aws s3 cp s3://game-ci-test-storage/${{ steps.aws-fargate-unity-build.outputs.CACHE_KEY }}/build-${{ steps.aws-fargate-unity-build.outputs.BUILD_GUID }}.tar build-${{ steps.aws-fargate-unity-build.outputs.BUILD_GUID }}.tar
           ls
       - run: yarn run cli -m aws-garbage-collect
       ###########################
@@ -110,5 +110,5 @@ jobs:
       - uses: actions/upload-artifact@v2
         with:
           name: AWS Build (${{ matrix.targetPlatform }})
-          path: build-${{ steps.aws-fargate-unity-build.outputs.BUILD_GUID }}.zip
+          path: build-${{ steps.aws-fargate-unity-build.outputs.BUILD_GUID }}.tar
           retention-days: 14
diff --git a/.github/workflows/cloud-runner-k8s-pipeline.yml b/.github/workflows/cloud-runner-k8s-pipeline.yml
index 1b5b1509..a6e8d11f 100644
--- a/.github/workflows/cloud-runner-k8s-pipeline.yml
+++ b/.github/workflows/cloud-runner-k8s-pipeline.yml
@@ -105,8 +105,8 @@ jobs:
                 aws s3 ls
                 aws s3 ls game-ci-test-storage
                 ls /data/cache/$CACHE_KEY
-                echo "/data/cache/$CACHE_KEY/build/build-$BUILD_GUID.zip s3://game-ci-test-storage/$CACHE_KEY/$BUILD_FILE"
-                aws s3 cp /data/cache/$CACHE_KEY/build/build-$BUILD_GUID.zip s3://game-ci-test-storage/$CACHE_KEY/build-$BUILD_GUID.zip
+                echo "/data/cache/$CACHE_KEY/build/build-$BUILD_GUID.tar s3://game-ci-test-storage/$CACHE_KEY/$BUILD_FILE"
+                aws s3 cp /data/cache/$CACHE_KEY/build/build-$BUILD_GUID.tar s3://game-ci-test-storage/$CACHE_KEY/build-$BUILD_GUID.tar
               secrets:
               - name: awsAccessKeyId
                 value: ${{ secrets.AWS_ACCESS_KEY_ID }}
@@ -115,7 +115,7 @@ jobs:
               - name: awsDefaultRegion
                 value: eu-west-2
       - run: |
-          aws s3 cp s3://game-ci-test-storage/${{ steps.k8s-unity-build.outputs.CACHE_KEY }}/build-${{ steps.k8s-unity-build.outputs.BUILD_GUID }}.zip build-${{ steps.k8s-unity-build.outputs.BUILD_GUID }}.zip
+          aws s3 cp s3://game-ci-test-storage/${{ steps.k8s-unity-build.outputs.CACHE_KEY }}/build-${{ steps.k8s-unity-build.outputs.BUILD_GUID }}.tar build-${{ steps.k8s-unity-build.outputs.BUILD_GUID }}.tar
           ls
       ###########################
       #          Upload         #
@@ -124,5 +124,5 @@ jobs:
       - uses: actions/upload-artifact@v2
         with:
           name: K8s Build (${{ matrix.targetPlatform }})
-          path: build-${{ steps.k8s-unity-build.outputs.BUILD_GUID }}.zip
+          path: build-${{ steps.k8s-unity-build.outputs.BUILD_GUID }}.tar
           retention-days: 14