diff --git a/Gemfile.lock b/Gemfile.lock
index 1a4a8fb38a..84f889c734 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -386,7 +386,7 @@ GEM
     pry-rails (0.3.9)
       pry (>= 0.10.4)
     public_suffix (4.0.3)
-    puma (4.3.1)
+    puma (4.3.3)
       nio4r (~> 2.0)
     pundit (2.1.0)
       activesupport (>= 3.0.0)