diff --git a/spec/integration_spec.rb b/spec/integration_spec.rb
index ae9d896..1a51102 100644
--- a/spec/integration_spec.rb
+++ b/spec/integration_spec.rb
@@ -72,7 +72,7 @@ class Comment < ActiveRecord::Base; end
           username: db_config['username'],
           password: db_config['password'],
           database: db_config['database'],
-          ssl_mode: "required"
+          ssl_mode: 'required'
         )
       end
 
@@ -90,7 +90,7 @@ class Comment < ActiveRecord::Base; end
           host: db_config['hostname'],
           password: db_config['password'],
           database: db_config['database'],
-          ssl_mode: "required"
+          ssl_mode: 'required'
         )
       end