diff --git a/.gitignore b/.gitignore
index 4906f4c..fc4d32e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -143,3 +143,5 @@ dmypy.json
 cython_debug/
 
 # End of https://www.toptal.com/developers/gitignore/api/python
+
+dev.db