diff --git a/Gemfile.lock b/Gemfile.lock
index db13bcd..4c92f69 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -270,7 +270,7 @@ GEM
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
     public_suffix (3.1.0)
-    puma (3.12.2)
+    puma (3.12.3)
     rack (2.0.7)
     rack-proxy (0.6.5)
       rack