diff --git a/Gemfile.lock b/Gemfile.lock
index e6ecad3..e016c85 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -4,9 +4,9 @@ GEM
     backports (3.17.1)
     erubis (2.7.0)
     multi_json (1.14.1)
-    nio4r (2.5.2)
+    nio4r (2.5.8)
     pg (1.2.3)
-    puma (4.3.3)
+    puma (4.3.11)
       nio4r (~> 2.0)
     rack (1.6.13)
     rack-protection (1.5.5)