diff --git a/.github/workflows/cmake.yml b/.github/workflows/cmake.yml
index 3983004..018b449 100644
--- a/.github/workflows/cmake.yml
+++ b/.github/workflows/cmake.yml
@@ -25,7 +25,7 @@ jobs:
           windows-2019,
           windows-2022,
         ]  
-        cpp_version: [11, 14]
+        cpp_version: [11, 14, 17, 20]
 
     steps:
       - name: Check out repository code