diff --git a/.github/workflows/on_PR_meson.yaml b/.github/workflows/on_PR_meson.yaml
index d859195d12..19b4619d63 100644
--- a/.github/workflows/on_PR_meson.yaml
+++ b/.github/workflows/on_PR_meson.yaml
@@ -31,7 +31,7 @@ jobs:
     name: Linux-Clang${{matrix.cxx}}-deps=${{matrix.deps}}
     strategy:
       matrix:
-        cxx: ['7', '18']
+        cxx: ['7', '19']
         deps: ['forcefallback', 'default']
     steps:
       - uses: actions/checkout@v4