diff --git a/Gemfile.lock b/Gemfile.lock
index 2a7a6a6..7d5d2ea 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,8 +1,8 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.5.2)
-      public_suffix (>= 2.0.2, < 4.0)
+    addressable (2.8.0)
+      public_suffix (>= 2.0.2, < 5.0)
     berkshelf (6.3.4)
       buff-config (~> 2.0)
       buff-extensions (~> 2.0)
@@ -70,17 +70,17 @@ GEM
     concurrent-ruby (1.1.4)
     diff-lcs (1.3)
     erubis (2.7.0)
-    faraday (0.15.4)
+    faraday (0.17.4)
       multipart-post (>= 1.2, < 3)
     ffi (1.9.25)
     ffi-yajl (2.3.1)
       libyajl2 (~> 1.2)
     hashie (3.6.0)
     highline (1.7.8)
-    hitimes (1.3.0)
+    hitimes (2.0.0)
     httpclient (2.8.3)
     ipaddress (0.8.3)
-    json (2.1.0)
+    json (2.5.1)
     kitchen-ansible (0.0.38)
       librarian-ansible
       test-kitchen (~> 1.4)
@@ -98,13 +98,14 @@ GEM
       mixlib-log
     mixlib-authentication (1.4.2)
     mixlib-cli (1.7.0)
-    mixlib-config (2.2.1)
+    mixlib-config (2.2.18)
+      tomlrb
     mixlib-install (0.7.1)
     mixlib-log (1.7.1)
-    mixlib-shellout (2.2.6)
+    mixlib-shellout (2.4.4)
     molinillo (0.6.6)
     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 (3.0.2)
@@ -114,8 +115,9 @@ GEM
       net-ssh (>= 2.6.5)
       net-ssh-gateway (>= 1.2.0)
     net-telnet (0.1.1)
-    nio4r (2.3.1)
-    octokit (4.13.0)
+    nio4r (2.5.7)
+    octokit (4.21.0)
+      faraday (>= 0.9)
       sawyer (~> 0.8.0, >= 0.5.3)
     ohai (8.26.1)
       chef-config (>= 12.5.0.alpha.1, < 14)
@@ -131,7 +133,7 @@ GEM
       wmi-lite (~> 1.0)
     plist (3.1.0)
     proxifier (1.0.3)
-    public_suffix (3.0.3)
+    public_suffix (4.0.6)
     rack (1.6.11)
     retryable (2.0.4)
     ridley (5.1.1)
@@ -172,9 +174,9 @@ GEM
       builder (< 4)
       rspec-core (>= 2, < 4, != 2.12.0)
     safe_yaml (1.0.4)
-    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)
     semverse (2.0.0)
     serverspec (2.41.3)
       multi_json
@@ -203,6 +205,7 @@ GEM
     thor (0.19.1)
     timers (4.0.4)
       hitimes
+    tomlrb (2.0.1)
     uuidtools (2.1.5)
     varia_model (0.6.0)
       buff-extensions (~> 2.0)