diff --git a/.github/workflows/deploy-docs.yml b/.github/workflows/deploy-docs.yml
index 6b7ae77..1d7faf7 100644
--- a/.github/workflows/deploy-docs.yml
+++ b/.github/workflows/deploy-docs.yml
@@ -17,14 +17,14 @@ jobs:
         with:
           python-version: '3.x'
 
-      - name: Setup Java 17
-        uses: actions/setup-java@v4
+      - name: 'Set up latest Oracle JDK 21'
+        uses: oracle-actions/setup-java@v1
         with:
-          java-version: '21'
-          distribution: 'oracle'
+          website: oracle.com
+          release: 21
 
       - name: Install plantuml
-        run: bash -c "curl -L https://raw.githubusercontent.com/riboseinc/plantuml-install/master/ubuntu.sh | bash"
+        run: sudo bash -c "curl -L https://raw.githubusercontent.com/riboseinc/plantuml-install/master/ubuntu.sh | bash"
 
       - name: Install dependencies
         run: |
@@ -32,7 +32,7 @@ jobs:
 
       - name: Install python dependencies
         run: |
-          pip3 install sphinx breathe exhale furo sphinxcontrib-plantuml
+          pip3 install gcovr sphinx breathe exhale furo sphinxcontrib-plantuml
 
       - uses: lukka/get-cmake@latest