diff --git a/.gitignore b/.gitignore
index 555e4e90..d223948f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -266,6 +266,7 @@ ServiceFabricBackup/
 *.mdf
 *.ldf
 *.ndf
+*.bak
 
 # Business Intelligence projects
 *.rdl.data