diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index a9a40617..0e840e35 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repo
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: install elan
         run: |
@@ -21,12 +21,10 @@ jobs:
           ~/.elan/bin/lean --version
           echo "$HOME/.elan/bin" >> $GITHUB_PATH
 
-      - name: Checkout and compile batteries
+      - name: Checkout batteries
         run: |
           cd ../
           git clone https://github.com/leanprover-community/batteries
-          cd batteries
-          lake build
 
       - name: generate docs
         run: |
diff --git a/test_docs.sh b/test_docs.sh
index bc3a73d7..430547a7 100755
--- a/test_docs.sh
+++ b/test_docs.sh
@@ -7,7 +7,7 @@ set -x
 
 # generate the docs
 cd "$1"
-sed -i "s|from git \"https://github.com/leanprover/doc-gen4\" @ \"main\"| from \"..\" / \"doc-gen4\"|" lakefile.lean
+echo 'require «doc-gen4» from ".." / "doc-gen4"' >> lakefile.lean
 
-lake -R -Kdoc=on update
-lake -R -Kdoc=on build Batteries:docs
+lake update doc-gen4
+lake build Batteries:docs