diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 23f10b6..ab932c8 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -26,7 +26,7 @@ jobs:
 
     steps:
       - if: startsWith(matrix.os, 'ubuntu')
-        run: sudo apt install -y libssl-dev
+        run: sudo apt install -y libssl-dev pkg-config
 
       - uses: actions/checkout@v2
         with: