diff --git a/Gemfile.lock b/Gemfile.lock
index 96f0cf7..996e7b8 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -183,7 +183,7 @@ GEM
       capybara (~> 2.1)
       cliver (~> 0.3.1)
       websocket-driver (>= 0.2.0)
-    powder (0.3.0)
+    powder (0.3.1)
       thor (>= 0.11.5)
     power_assert (1.0.2)
     pry (0.10.4)