diff --git a/example_app/Gemfile.lock b/example_app/Gemfile.lock
index cb2cbe4..27fa88c 100644
--- a/example_app/Gemfile.lock
+++ b/example_app/Gemfile.lock
@@ -118,7 +118,7 @@ GEM
       pry (~> 0.10)
     pry-rails (0.3.9)
       pry (>= 0.10.4)
-    puma (4.3.3)
+    puma (4.3.5)
       nio4r (~> 2.0)
     quantile (0.2.1)
     rack (2.0.8)