diff --git a/Gemfile.lock b/Gemfile.lock
index 705e0d3..c35bab5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -10,7 +10,7 @@ GEM
     pry (0.14.1)
       coderay (~> 1.1)
       method_source (~> 1.0)
-    puma (6.4.2)
+    puma (6.4.3)
       nio4r (~> 2.0)
     rack (2.2.9)
     rack-protection (2.2.3)