Update Windows compilers that are tested.
diff --git a/README.md b/README.md
index 8ab9114..57827c9 100644
--- a/README.md
+++ b/README.md
@@ -434,7 +434,9 @@
 - AppleClang 11.0
 
 On Windows
+- Visual Studio 2017
 - Visual Studio 2019
+- Visual Studio 2022
 
 Other compilers or later versions may work, but they are not tested.