diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index ffb4fbea..91e1ee77 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -125,7 +125,7 @@ jobs:
         run: |
           set -o pipefail
           tidy_status=0
-          run-clang-tidy-18 -quiet -p build "$PWD/(src/(core/|event/|relay/|crypto/|api/)?[^/]+\.(c|cpp)|tests/test_core_[^/]+\.cpp)$" 2>&1 | tee tidy.log || tidy_status=$?
+          run-clang-tidy-18 -quiet -p build -extra-arg=-Wno-unknown-warning-option "$PWD/(src/(core/|event/|relay/|crypto/|api/)?[^/]+\.(c|cpp)|tests/test_core_[^/]+\.cpp)$" 2>&1 | tee tidy.log || tidy_status=$?
           grep 'warning:' tidy.log | sort -u > warnings.txt || true
           count="$(wc -l < warnings.txt)"
           echo "clang-tidy warnings: $count (max allowed: $MAX_WARNINGS)"