diff --git a/Gemfile.lock b/Gemfile.lock
index ec1b4b5..ddc635a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -179,7 +179,7 @@ GEM
     pg (1.1.3-x86-mingw32)
     popper_js (1.16.0)
     public_suffix (4.0.6)
-    puma (4.3.11)
+    puma (4.3.12)
       nio4r (~> 2.0)
     racc (1.5.2)
     rack (2.2.4)