diff --git a/.github/workflows/cpp-linter.yml b/.github/workflows/cpp-linter.yml
index 5b511f2e0..098888654 100644
--- a/.github/workflows/cpp-linter.yml
+++ b/.github/workflows/cpp-linter.yml
@@ -58,7 +58,7 @@ jobs:
           ignore: 'build|cmake_modules|ci'
           database: build
           # need '-fno-builtin-std-forward_like', see https://github.com/llvm/llvm-project/issues/101614
-          extra-args: '-I$PWD/src -I$PWD/build/src -fno-builtin-std-forward_like'
+          extra-args: '-I$PWD/src -I$PWD/build/src -fno-builtin-std-forward_like -D__cpp_concepts=202002L'
       - name: Fail fast?!
         if: steps.linter.outputs.checks-failed != 0
         run: |