diff --git a/Gemfile.lock b/Gemfile.lock
index 7009bd3..1f2dfdd 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -137,7 +137,7 @@ GEM
       request_store (~> 1.1)
     psych (4.0.3)
       stringio
-    puma (4.3.10)
+    puma (4.3.12)
       nio4r (~> 2.0)
     racc (1.6.0)
     rack (2.2.3)