diff --git a/Gemfile.lock b/Gemfile.lock
index dd99a4bb6..af36949ab 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -377,7 +377,7 @@ GEM
       binding_of_caller (>= 0.7)
       pry (>= 0.9.11)
     public_suffix (3.0.3)
-    puma (3.12.2)
+    puma (3.12.4)
     rack (2.2.2)
     rack-livereload (0.3.17)
       rack