diff --git a/Gemfile.lock b/Gemfile.lock
index 0dde560..1267344 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -121,9 +121,6 @@ GEM
     mini_portile2 (2.4.0)
     minitest (5.13.0)
     msgpack (1.3.1)
-    net-sftp (2.1.2)
-      net-ssh (>= 2.6.5)
-    net-ssh (5.2.0)
     nio4r (2.5.2)
     nokogiri (1.10.7)
       mini_portile2 (~> 2.4.0)
@@ -187,8 +184,6 @@ GEM
       sprockets (>= 2.8, < 4.0)
       sprockets-rails (>= 2.0, < 4.0)
       tilt (>= 1.1, < 3)
-    sassc (2.2.1)
-      ffi (~> 1.9)
     selenium-webdriver (3.142.7)
       childprocess (>= 0.5, < 4.0)
       rubyzip (>= 1.2.2)
@@ -212,7 +207,7 @@ GEM
     turbolinks (5.2.1)
       turbolinks-source (~> 5.2)
     turbolinks-source (5.2.0)
-    tzinfo (1.2.6)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     web-console (4.0.1)
       actionview (>= 6.0.0)