diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 9ecb7323..b909ddcd 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -8,9 +8,6 @@ on:
   schedule:
     - cron: '28 22 * * 1'
 
-env:
-  deploy_docs_site: false
-
 jobs:
   analyze:
     name: Analyze
@@ -38,7 +35,11 @@ jobs:
       run: |
         sudo apt update -y && sudo apt install -y --no-install-recommends \
         git git-lfs gcc-11 g++-11 ninja-build ccache libgtest-dev libgmock-dev \
-        shellcheck curl doxygen python3 python3-pip python3-dev python3-distutils cmake
+        shellcheck curl doxygen python3 python3-pip python3-dev python3-distutils \
+        && curl -L https://cmake.org/files/v3.20/cmake-3.20.1-linux-x86_64.tar.gz --output /tmp/cmake-3.20.1.tar.gz \
+        && tar -xzf /tmp/cmake-3.20.1.tar.gz -C /tmp/ && sudo cp -r /tmp/cmake-3.20.1-linux-x86_64/bin/ /usr/local/ \
+        && sudo cp -r /tmp/cmake-3.20.1-linux-x86_64/share/ /usr/local/ && sudo cp -r /tmp/cmake-3.20.1-linux-x86_64/doc/ /usr/local/ \
+        && rm -rf /tmp/cmake-3.20.1*
 
     - if: matrix.language == 'c-cpp'
       name: Install Python Dependencies
@@ -98,7 +99,7 @@ jobs:
     - if: matrix.language == 'c-cpp' && github.event_name == 'push'
       name: Create .nojekyll file
       run: touch build/docs/sphinx/.nojekyll
-    
+
     - if: matrix.language == 'c-cpp' && github.event_name == 'push'
       name: Deploy to GitHub Pages
       uses: JamesIves/github-pages-deploy-action@v4