diff --git a/backend/.gitignore b/backend/.gitignore
index 667aaef..63fdf0c 100644
--- a/backend/.gitignore
+++ b/backend/.gitignore
@@ -31,3 +31,6 @@ build/
 
 ### VS Code ###
 .vscode/
+
+### Local dev config (may contain secrets / local DB credentials) ###
+src/main/resources/application-dev.yml