diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 800606f9..e0786168 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -101,12 +101,12 @@ jobs:
     # each compiler gets its own cache; the action's restore-keys let PR branches
     # fall back to main's cache. ccache on Windows/MSVC is finicky and Windows
     # isn't the bottleneck, so we skip it there.
-#    - name: Setup ccache
-#      if: ${{ runner.os != 'Windows' }}
-#      uses: hendrikmuhs/ccache-action@v1.2.23
-#      with:
-#        key: ${{ matrix.label }}
-#        max-size: "1.5G"
+    - name: Setup ccache
+      if: ${{ runner.os != 'Windows' }}
+      uses: hendrikmuhs/ccache-action@v1.2.23
+      with:
+        key: ${{ matrix.label }}
+        max-size: "1.5G"
 
     - name: Configure MuJoCo
       env: