diff --git a/.github/workflows/build_documentation.yml b/.github/workflows/build_documentation.yml
index c332bcb7..fe8dc2ca 100644
--- a/.github/workflows/build_documentation.yml
+++ b/.github/workflows/build_documentation.yml
@@ -23,12 +23,12 @@ jobs:
     steps:
       - uses: actions/checkout@v7
 
-      # - uses: actions/cache@v6
-      #   with:
-      #     path: .workspace
-      #     key: docs-workspace-${{ hashFiles('scripts/sources.json') }}
-      #     restore-keys: |
-      #       docs-workspace-
+      - uses: actions/cache@v6
+        with:
+          path: .workspace
+          key: docs-workspace-${{ hashFiles('scripts/sources.json') }}
+          restore-keys: |
+            docs-workspace-
 
       - name: Install Python
         run: apt-get update && apt-get install -y python3