diff --git a/Gemfile.lock b/Gemfile.lock
index adcb84e..8041231 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -112,7 +112,7 @@ GEM
     pry-stack_explorer (0.4.9.1)
       binding_of_caller (>= 0.7)
       pry (>= 0.9.11)
-    puma (2.7.0)
+    puma (2.7.1)
       rack (>= 1.1, < 2.0)
     rack (1.5.2)
     rack-pjax (0.7.0)