diff --git a/.gitignore b/.gitignore
index 7ee3b88e..7beb9b3c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -39,3 +39,6 @@ out/
 # App module build
 app/build/
 SecurityReport.md
+
+# Firebase config (contains project ID, app ID, OAuth client, API key)
+app/google-services.json