diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 25ecfd0..831815d 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -30,7 +30,7 @@ jobs:
 
       - name: System dependencies
         run: |
-            sudo apt install libcurl4-openssl-dev
+            sudo apt-get -y install libcurl4-openssl-dev libfontconfig1-dev
   
       - name: Setup R
         uses: r-lib/actions/setup-r@v2