diff --git a/Gemfile.lock b/Gemfile.lock
index 1bd76a3..ff0926d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -105,7 +105,7 @@ GEM
     pry-rails (0.3.6)
       pry (>= 0.10.4)
     public_suffix (3.0.0)
-    puma (3.10.0)
+    puma (3.11.3)
     rack (2.0.3)
     rack-test (0.6.3)
       rack (>= 1.0)