diff --git a/.github/workflows/vendor_build.yml b/.github/workflows/vendor_build.yml
index 4877c29a4de..54cd88a92e2 100644
--- a/.github/workflows/vendor_build.yml
+++ b/.github/workflows/vendor_build.yml
@@ -34,6 +34,7 @@ jobs:
         env:
           CC: ${{matrix.compiler.cc}}
           CXX: ${{matrix.compiler.cxx}}
+          CXXFLAGS: "-stdlib=libc++"
         run: >
           cmake -S . -B build -G Ninja
           -DCMAKE_BUILD_TYPE=${{matrix.build_type}}