diff --git a/Unity.gitignore b/Unity.gitignore
index 184557c09eada1b32373b82fcdb9bdbe1c2df445..0210746b1a539bc60d5eade62737b686d0545814 100644
--- a/Unity.gitignore
+++ b/Unity.gitignore
@@ -22,6 +22,7 @@ ExportedObj/
 *.booproj
 *.svd
 *.pdb
+*.opendb
 
 # Unity3D generated meta files
 *.pidb.meta