diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d0a9633eef..de2e2d4f96 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -123,7 +123,7 @@ jobs:
           case "${{ matrix.compiler }}" in
             clang)
               echo CC=clang >> $GITHUB_ENV
-              echo CXX=clang++ >> $GITHUB_ENV
+              echo CXX='clang++ -stdlib=libc++' >> $GITHUB_ENV
               echo LD=clang++ >> $GITHUB_ENV
 
               allow_warn_opt="-Wno-error=#warnings"