diff --git a/VisualStudio.gitignore b/VisualStudio.gitignore
index ce892922..aa9c8c0d 100644
--- a/VisualStudio.gitignore
+++ b/VisualStudio.gitignore
@@ -390,6 +390,9 @@ 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/