diff --git a/Gemfile.lock b/Gemfile.lock
index d3f5f758..34cb3cc4 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -166,7 +166,7 @@ GEM
     parser (2.7.1.4)
       ast (~> 2.4.1)
     pg (1.2.3)
-    puma (4.3.5)
+    puma (4.3.6)
       nio4r (~> 2.0)
     rack (2.2.3)
     rack-mini-profiler (2.0.4)