diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index b655cfe..7b6ff13 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -8,6 +8,8 @@ jobs:
   Deyploy:
     runs-on: ubuntu-latest
     steps:
+    - name: Install doxygen
+      run: apt install doxygen
     - name: Checkout source code
       uses: actions/checkout@v3
     - name: Build