diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0c549b4a410bc..0d46e54efec96 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -83,19 +83,15 @@ jobs:
       BUILD_DIR: build-windows
       IREE_VULKAN_DISABLE: 1
     steps:
+      - id: "gcp-auth"
+        name: "Authenticating to Google Cloud"
+        uses: "google-github-actions/auth@v1"
+        with:
+          token_format: "access_token"
+          credentials_json: "${{ secrets.IREE_OSS_GITHUB_RUNNER_BASIC_TRUST_SERVICE_ACCOUNT_KEY }}"
+          create_credentials_file: false
       - name: "Checking out repository"
         uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
-      # Attempt to restore from cache unconditionally.
-      # Note: this will first try to grab a cache entry for this exact commit
-      #       then it will fall back to the latest for any commit.
-      - name: "Fetching cache (CMake/ccache)"
-        uses: actions/cache/restore@88522ab9f39a2ea568f7027eddc7d8d8bc9d59c8 # v3.3.1
-        with:
-          path: ${{ github.workspace }}/.ccache
-          key: ccache_all_windows_${{ github.sha }}
-          restore-keys: ccache_all_windows
-      # Fetch dependencies.
-      # TODO(scotttodd): Move some of these into a Docker image / add to PATH.
       - name: "Updating git submodules"
         run: git submodule update --init --jobs 8 --depth 1
       - name: "Setting up Python"
@@ -114,30 +110,13 @@ jobs:
       # Finally: build and run tests.
       - name: "Building IREE"
         env:
-          IREE_READ_REMOTE_CCACHE: 0
-          IREE_WRITE_REMOTE_CCACHE: 0
-          IREE_READ_LOCAL_CCACHE: 1
-          IREE_WRITE_LOCAL_CCACHE: ${{ needs.setup.outputs.write-caches }}
-          CCACHE_DIR: ${{ github.workspace }}/.ccache
-          # Cache size and compression level settings are a delicate balance.
-          # * A full build cache is around 2-5GB depending on compression level
-          # * Upload/download is slow (double compression may or may not help)
-          # * We have a limit of 10GB across all cached files per repository
-          # * Cache misses are quite costly:
-          #   * 99% cache hits -> ~5 minutes to build
-          #   * 20% cache hits -> ~15-20 minutes to build
-          CCACHE_MAXSIZE: 4G
-          CCACHE_COMPRESSLEVEL: 5
-        run: ./build_tools/cmake/build_all.sh "${BUILD_DIR}"
+          IREE_WRITE_REMOTE_CCACHE: ${{ needs.setup.outputs.write-caches }}
+          IREE_CCACHE_GCP_TOKEN: ${{ steps.gcp-auth.outputs.access_token }}
+          CCACHE_NAMESPACE: github-windows-2022-64core
+        run: |
+          ./build_tools/cmake/build_all.sh "${BUILD_DIR}"
       - name: "Testing IREE"
         run: ./build_tools/cmake/ctest_all.sh "${BUILD_DIR}"
-      # Write cache (if configured to) after all other steps are finished.
-      - name: "Saving cache (CMake/ccache)"
-        if: needs.setup.outputs.write-caches == '1'
-        uses: actions/cache/save@88522ab9f39a2ea568f7027eddc7d8d8bc9d59c8 # v3.3.1
-        with:
-          path: ${{ github.workspace }}/.ccache
-          key: ccache_all_windows_${{ github.sha }}
 
   build_test_all_macos_arm64:
     needs: setup