diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b886ef0..ce069a9 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -126,6 +126,7 @@ jobs:
 
       - name: Fetch dependencies
         run: |
+          brew install pkg-config
           brew install gtkmm3
           brew install nlohmann-json
           brew install jpeg