diff --git a/Gemfile.lock b/Gemfile.lock
index cc0d974..f3c7060 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -158,7 +158,7 @@ GEM
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
     public_suffix (3.0.3)
-    puma (3.12.2)
+    puma (3.12.3)
     rack (2.0.6)
     rack-test (0.6.3)
       rack (>= 1.0)