diff --git a/.github/workflows/test-builds.yml b/.github/workflows/test-builds.yml
index dfa836b..c5373d0 100644
--- a/.github/workflows/test-builds.yml
+++ b/.github/workflows/test-builds.yml
@@ -18,6 +18,8 @@ jobs:
       run: |
         sudo apt update
         sudo apt install -y libicu-dev
+        ls -la /usr/include
+        ls -la "/usr/lib/icu*"
 
     - name: Configure CMake
       run: cmake -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}}