diff --git a/examples/myapp/Gemfile.lock b/examples/myapp/Gemfile.lock
index 13f4fc8..38f1dd0 100644
--- a/examples/myapp/Gemfile.lock
+++ b/examples/myapp/Gemfile.lock
@@ -167,7 +167,7 @@ GEM
     msgpack (1.3.1)
     multi_json (1.14.1)
     mysql2 (0.5.2)
-    nio4r (2.4.0)
+    nio4r (2.5.2)
     nokogiri (1.10.5)
       mini_portile2 (~> 2.4.0)
     pry (0.12.2)
@@ -179,7 +179,7 @@ GEM
     pry-rails (0.3.9)
       pry (>= 0.10.4)
     public_suffix (3.1.1)
-    puma (4.3.1)
+    puma (4.3.3)
       nio4r (~> 2.0)
     rack (2.0.8)
     rack-test (1.1.0)