diff --git a/.github/workflows/deploy_bookdown.yml b/.github/workflows/deploy_bookdown.yml
index 0568165b..ffba5389 100644
--- a/.github/workflows/deploy_bookdown.yml
+++ b/.github/workflows/deploy_bookdown.yml
@@ -32,7 +32,7 @@ jobs:
       - name: Install tidycensus system dependency
         shell: bash
         run: |
-          sudo apt-get install libudunits2-dev libgdal-dev libgeos-dev libproj-dev libfontconfig1-dev
+          sudo apt-get install libudunits2-dev libgdal-dev libgeos-dev libproj-dev libfontconfig1-dev libglpk-dev
       - name: Restore packages
         shell: Rscript {0}
         run: |