diff --git a/.gitignore b/.gitignore
index 3ab16a94fd..ce7cddb44b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -76,3 +76,6 @@ extensions/cronet/jniLibs/*
 !extensions/cronet/jniLibs/README.md
 extensions/cronet/libs/*
 !extensions/cronet/libs/README.md
+
+# MIDI extension
+extensions/midi/lib