diff --git a/Gemfile.lock b/Gemfile.lock
index 86bfec749b..b96293a153 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -315,7 +315,7 @@ GEM
     psych (5.1.2)
       stringio
     public_suffix (5.0.3)
-    puma (5.6.8)
+    puma (5.6.9)
       nio4r (~> 2.0)
     racc (1.8.0)
     rack (2.2.9)