diff --git a/Gemfile.lock b/Gemfile.lock
index 25a8b4d71..d2d176d43 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -296,7 +296,7 @@ GEM
     pry-rails (0.3.6)
       pry (>= 0.10.4)
     public_suffix (3.0.2)
-    puma (3.9.1)
+    puma (3.11.3)
     rack (2.0.4)
     rack-protection (2.0.1)
       rack