diff --git a/.gitignore b/.gitignore
index 63df2aff..be789879 100644
--- a/.gitignore
+++ b/.gitignore
@@ -23,3 +23,7 @@ JITRelease
 # Files generated by Windows Explorer
 Desktop.ini
 Thumbs.db
+
+# Build directories
+build/
+obj-*/