diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 341a478..2a8a51b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -47,6 +47,10 @@ jobs:
     steps:
     - uses: actions/checkout@v3
 
+    - if: matrix.c_compiler == 'clang'
+      name: install OpenMP
+      run: sudo apt-get install -y libomp-dev
+
     - name: Configure CMake
       run: >
         cmake -B build