diff --git a/.gitignore b/.gitignore
index 0bfbb63..7ff5194 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
+heart_rate/
 
 # Created by https://www.toptal.com/developers/gitignore/api/visualstudiocode,macos,windows,linux
 # Edit at https://www.toptal.com/developers/gitignore?templates=visualstudiocode,macos,windows,linux