diff --git a/.github/workflows/a-pr-scanner.yaml b/.github/workflows/a-pr-scanner.yaml
index 0eb803ef..407d3c7d 100644
--- a/.github/workflows/a-pr-scanner.yaml
+++ b/.github/workflows/a-pr-scanner.yaml
@@ -136,6 +136,10 @@ jobs:
         run: .\build.bat all
         if: matrix.os == 'windows-latest'
 
+      - name: Install pkg-config (macOS)
+        run: brew install pkg-config
+        if: matrix.os == 'macos-latest'
+
       - name: Install libgit2 (Linux/macOS)
         run: make libgit2
         if: matrix.os != 'windows-latest'
diff --git a/.github/workflows/b-binary-build-and-e2e-tests.yaml b/.github/workflows/b-binary-build-and-e2e-tests.yaml
index 641cb770..2a937b95 100644
--- a/.github/workflows/b-binary-build-and-e2e-tests.yaml
+++ b/.github/workflows/b-binary-build-and-e2e-tests.yaml
@@ -130,6 +130,10 @@ jobs:
         run: .\build.bat all
         if: matrix.os == 'windows-latest'
 
+      - name: Install pkg-config (macOS)
+        run: brew install pkg-config
+        if: matrix.os == 'macos-latest'
+
       - name: Install libgit2 (Linux/macOS)
         run: make libgit2
         if: matrix.os != 'windows-latest'