diff --git a/Gemfile.lock b/Gemfile.lock
index cb7aee4..c50e568 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -177,7 +177,7 @@ GEM
     orm_adapter (0.5.0)
     pg (1.5.3)
     public_suffix (5.0.1)
-    puma (6.3.0)
+    puma (6.3.1)
       nio4r (~> 2.0)
     racc (1.6.2)
     rack (2.2.7)