diff --git a/.gitignore b/.gitignore
index 7f0b053..03b1322 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,6 +7,9 @@
 # Ignore bundler config.
 /.bundle
 
+# Ignore mystery Postgres folder
+/postgres
+
 # Ignore the default SQLite database.
 /db/*.sqlite3
 /db/*.sqlite3-journal