diff --git a/VisualStudio.gitignore b/VisualStudio.gitignore
index a4fe18bd..b58aeb23 100644
--- a/VisualStudio.gitignore
+++ b/VisualStudio.gitignore
@@ -372,6 +372,9 @@ healthchecksdb
 # Backup folder for Package Reference Convert tool in Visual Studio 2017
 MigrationBackup/
 
+# Visual Studio CMake default build directory
+out/
+
 # Ionide (cross platform F# VS Code tools) working folder
 .ionide/