diff --git a/Gemfile.lock b/Gemfile.lock
index 7c6b91f..fa0faa5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -116,7 +116,7 @@ GEM
       coderay (~> 1.1.0)
       method_source (~> 0.8.1)
       slop (~> 3.4)
-    puma (2.11.2)
+    puma (2.11.3)
       rack (>= 1.1, < 2.0)
     rack (1.6.1)
     rack-pjax (0.8.0)