diff --git a/.github/workflows/c-cpp.yml b/.github/workflows/c-cpp.yml
index d3618e3..0c7f3cc 100644
--- a/.github/workflows/c-cpp.yml
+++ b/.github/workflows/c-cpp.yml
@@ -13,7 +13,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, macos-latest, windows-latest]
+        os: [ubuntu-latest, macos-11, windows-latest]
         include:
           - os: windows-latest
             triplet: x64-windows