diff --git a/Gemfile.lock b/Gemfile.lock
index 57641e20e..81bf951d3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -303,7 +303,7 @@ GEM
       binding_of_caller (~> 1.0)
       pry (~> 0.13)
     public_suffix (6.0.1)
-    puma (6.4.2)
+    puma (6.4.3)
       nio4r (~> 2.0)
     puma_worker_killer (1.0.0)
       bigdecimal (>= 2.0)