diff --git a/Gemfile.lock b/Gemfile.lock
index 5ddfcdb3a..07cfdd652 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -383,7 +383,7 @@ GEM
       binding_of_caller (~> 1.0)
       pry (~> 0.13)
     public_suffix (4.0.6)
-    puma (4.3.11)
+    puma (4.3.12)
       nio4r (~> 2.0)
     pundit (2.2.0)
       activesupport (>= 3.0.0)