diff --git a/Gemfile.lock b/Gemfile.lock
index ca7b641..81f5b2c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -76,7 +76,7 @@ GEM
       ast (~> 2.4.1)
     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)