diff --git a/.github/workflows/build-deploy-doc.yml b/.github/workflows/build-deploy-doc.yml
index c82894c79..8c4f59c1f 100644
--- a/.github/workflows/build-deploy-doc.yml
+++ b/.github/workflows/build-deploy-doc.yml
@@ -103,7 +103,7 @@ jobs:
         run: make prep
 
       - name: Install Doxygen Dependencies
-        run: sudo apt-get install doxygen graphviz -y
+        run: sudo apt-get update && sudo apt-get install doxygen graphviz -y
 
       - name: Install PDF Generation Dependencies
         if: ${{ inputs.buildpdf == true }}