diff --git a/Gemfile.lock b/Gemfile.lock
index ef72c7a..0fb75ec 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -109,7 +109,7 @@ GEM
     net-sftp (2.1.2)
       net-ssh (>= 2.6.5)
     net-ssh (5.2.0)
-    nio4r (2.5.2)
+    nio4r (2.5.9)
     padrino-helpers (0.12.9)
       i18n (~> 0.6, >= 0.6.7)
       padrino-support (= 0.12.9)
@@ -123,7 +123,7 @@ GEM
       byebug (~> 11.0)
       pry (~> 0.10)
     ptools (1.3.5)
-    puma (4.3.3)
+    puma (5.6.7)
       nio4r (~> 2.0)
     rack (1.6.13)
     rack-livereload (0.3.17)