diff --git a/.github/workflows/test-library.yml b/.github/workflows/test-library.yml
index 09df06bdc..d948be968 100644
--- a/.github/workflows/test-library.yml
+++ b/.github/workflows/test-library.yml
@@ -350,9 +350,9 @@ jobs:
           apptainer exec ${{github.workspace}}/devel-tools/CentOS7-devel.sif \
           cmake3 -D CMAKE_CXX_STANDARD=${CXX_STANDARD} -P devel-tools/build_test_library.cmake
 
-      - name: Clang 7, C++17 (CentOS 7)
+      - name: Clang 7, C++14 (CentOS 7)
         env:
-          CXX_STANDARD: 17
+          CXX_STANDARD: 14
           CXX: clang++
           CXX_VERSION: 7
           CC: clang