diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2897dd5..c3b08a4 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -44,7 +44,29 @@ jobs:
             ${{ runner.os }}-${{ github.job }}-${{ matrix.xcode_version }}-
             ${{ runner.os }}-${{ github.job }}-
             ${{ runner.os }}-
+      - name: Cache Homebrew modules
+        uses: actions/cache@v4
+        env:
+          cache-name: brew
+        with:
+          path: |
+            ~/Library/Caches/Homebrew/llvm--
+            ~/Library/Caches/Homebrew/downloads/*--llvm--
+          key: ${{ runner.os }}-${{ github.job }}-${{ matrix.xcode_version }}-${{ env.cache-name }}-${{ hashFiles('**/Package.swift') }}
+          restore-keys: |
+            ${{ runner.os }}-${{ github.job }}-${{ matrix.xcode_version }}-${{ env.cache-name }}-
+            ${{ runner.os }}-${{ github.job }}-${{ matrix.xcode_version }}-
+            ${{ runner.os }}-${{ github.job }}-
+            ${{ runner.os }}-
       - name: Disable SwiftLint Plugin
         run: sed -i -e 's/.*SwiftLint.*//g' Package.swift
+      - name: Install LLVM
+        env:
+          HOMEBREW_NO_AUTO_UPDATE: 1
+        run: brew install llvm
+      - name: Activate clang module
+        run: |
+            swift package resolve
+            sudo swift .build/checkouts/ClangSwift/utils/make-pkgconfig.swift
       - name: Test
         run: swift test