diff --git a/Gemfile.lock b/Gemfile.lock
index 504b98c..e33b838 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -198,7 +198,7 @@ GEM
       capybara (~> 2.1)
       cliver (~> 0.3.1)
       websocket-driver (>= 0.2.0)
-    powder (0.3.2)
+    powder (0.4.0)
       thor (>= 0.11.5)
     powerpack (0.1.1)
     pry (0.10.4)