diff --git a/Gemfile.lock b/Gemfile.lock
index bc2ab53..25d7de5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -6,8 +6,8 @@ GEM
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
-    addressable (2.5.2)
-      public_suffix (>= 2.0.2, < 4.0)
+    addressable (2.8.0)
+      public_suffix (>= 2.0.2, < 5.0)
     airbrussh (1.3.1)
       sshkit (>= 1.6.1, != 1.7.0)
     awesome_print (1.8.0)
@@ -18,7 +18,7 @@ GEM
       sshkit (>= 1.9.0)
     color_echo (3.1.1)
     concurrent-ruby (1.1.3)
-    faraday (0.15.4)
+    faraday (0.17.4)
       multipart-post (>= 1.2, < 3)
     faraday-http-cache (2.0.0)
       faraday (~> 0.8)
@@ -34,19 +34,20 @@ GEM
       concurrent-ruby (~> 1.0)
     minitest (5.11.3)
     multi_json (1.13.1)
-    multipart-post (2.0.0)
+    multipart-post (2.1.1)
     net-scp (1.2.1)
       net-ssh (>= 2.6.5)
     net-ssh (5.0.2)
-    octokit (4.13.0)
+    octokit (4.21.0)
+      faraday (>= 0.9)
       sawyer (~> 0.8.0, >= 0.5.3)
-    public_suffix (3.0.3)
+    public_suffix (4.0.6)
     rainbow (3.0.0)
     rake (12.3.2)
     retriable (2.1.0)
-    sawyer (0.8.1)
-      addressable (>= 2.3.5, < 2.6)
-      faraday (~> 0.8, < 1.0)
+    sawyer (0.8.2)
+      addressable (>= 2.3.5)
+      faraday (> 0.8, < 2.0)
     sshkit (1.18.0)
       net-scp (>= 1.1.2)
       net-ssh (>= 2.8.0)