diff --git a/Gemfile.lock b/Gemfile.lock
index 4d9b566..a93afce 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -179,7 +179,7 @@ GEM
     pg (1.2.3-x86-mingw32)
     popper_js (1.16.0)
     public_suffix (4.0.5)
-    puma (4.3.5)
+    puma (4.3.6)
       nio4r (~> 2.0)
     rack (2.2.3)
     rack-test (1.1.0)