diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 3a78f9e9af31ae4399f5489a718e4fe75ede404a..5a9d80aa59a1ef435dad9ff35bbc5529e5df6f60 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -13,11 +13,15 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      # Checks out a copy of your repository on the ubuntu-latest machine
+
+      - name: Install dependencies
+        run: |
+        python -m pip install --upgrade pip
+        pip install sphinx sphinx-rtd-theme
+
       - name: Checkout code
         uses: actions/checkout@v2
 
-      # Runs the Super-Linter action
       - name: Build MFiX-Exa HTML manual
         run: make -C docs
         env: