diff --git a/Dart.gitignore b/Dart.gitignore
index 6d21af37c97b24b535b76ee1c29be9a8f4336361..0200c6175dc44313216400e13fac6457047175a2 100644
--- a/Dart.gitignore
+++ b/Dart.gitignore
@@ -11,6 +11,10 @@ pubspec.lock
 # If you don't generate documentation locally you can remove this line.
 doc/api/
 
+# dotenv environment variables file
+.env
+.env.test
+
 # Avoid committing generated Javascript files:
 *.dart.js
 *.info.json      # Produced by the --dump-info flag.