diff --git a/Gemfile.lock b/Gemfile.lock
index f71c34d..d64b879 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,30 +1,35 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    airbrussh (1.5.0)
+    airbrussh (1.5.1)
       sshkit (>= 1.6.1, != 1.7.0)
     bcrypt_pbkdf (1.1.0)
-    capistrano (3.18.0)
+    capistrano (3.18.1)
       airbrussh (>= 1.0.0)
       i18n
       rake (>= 10.0.0)
       sshkit (>= 1.9.0)
     capistrano-bundler (2.1.0)
       capistrano (~> 3.1)
-    concurrent-ruby (1.2.2)
+    concurrent-ruby (1.2.3)
     ed25519 (1.3.0)
-    i18n (1.14.1)
+    i18n (1.14.4)
       concurrent-ruby (~> 1.0)
+    mutex_m (0.2.0)
     net-scp (4.0.0)
       net-ssh (>= 2.6.5, < 8.0.0)
-    net-ssh (7.2.0)
+    net-sftp (4.0.0)
+      net-ssh (>= 5.0.0, < 8.0.0)
+    net-ssh (7.2.1)
     psych (5.1.1.1)
       stringio
     rake (13.1.0)
     rdoc (6.6.2)
       psych (>= 4.0.0)
-    sshkit (1.21.6)
+    sshkit (1.22.0)
+      mutex_m
       net-scp (>= 1.1.2)
+      net-sftp (>= 2.1.2)
       net-ssh (>= 2.8.0)
     stringio (3.1.0)