diff --git a/.github/workflows/codeql-daily.yml b/.github/workflows/codeql-daily.yml
index b93ee3f71b..8e04fba8a4 100644
--- a/.github/workflows/codeql-daily.yml
+++ b/.github/workflows/codeql-daily.yml
@@ -27,10 +27,14 @@ jobs:
           # see https://github.com/github/codeql-action/issues/1555#issuecomment-1452228433
           tools: latest
 
+      - name: Increase gradle daemon heap size
+        run: |
+          sed -i "s/org.gradle.jvmargs=/org.gradle.jvmargs=-Xmx3g /" gradle.properties
+
       - uses: gradle/gradle-build-action@v2
         with:
           # skipping build cache is needed so that all modules will be analyzed
-          arguments: assemble --no-build-cache
+          arguments: assemble -x javadoc --no-build-cache
 
       - name: Perform CodeQL analysis
         uses: github/codeql-action/analyze@v2