diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2897dd5..ece2af9 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -46,5 +46,9 @@ jobs:
             ${{ runner.os }}-
       - name: Disable SwiftLint Plugin
         run: sed -i -e 's/.*SwiftLint.*//g' Package.swift
+      - name: Activate clang module
+        run: |
+            swift package resolve
+            sudo swift .build/checkouts/ClangSwift/utils/make-pkgconfig.swift
       - name: Test
         run: swift test