diff --git a/Gemfile.lock b/Gemfile.lock
index a39ca95b..86bdbf32 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -155,7 +155,7 @@ GEM
     pg (1.5.7)
     psych (5.1.2)
       stringio
-    puma (5.6.8)
+    puma (5.6.9)
       nio4r (~> 2.0)
     racc (1.8.1)
     rack (2.2.9)