diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 09640089..f874546e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -124,6 +124,7 @@ jobs:
         sys:
           - mingw64
           #- clang64
+          - ucrt64
     defaults:
       run:
         shell: msys2 {0}