diff --git a/.github/workflows/ccpp.yml b/.github/workflows/ccpp.yml
index 3b870f03..41d3abe1 100644
--- a/.github/workflows/ccpp.yml
+++ b/.github/workflows/ccpp.yml
@@ -25,7 +25,7 @@ jobs:
       run: CXXFLAGS="-Wp,-D_GLIBCXX_ASSERTIONS" make -j`nproc` -C fluxengine
 
   build-macos-current:
-    runs-on: macos-latest
+    runs-on: macos-13
     steps:
     - uses: actions/checkout@v4
       with: