diff --git a/Gemfile.lock b/Gemfile.lock
index 650351d..1f9806a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -2,8 +2,8 @@ GEM
   remote: https://rubygems.org/
   specs:
     Ascii85 (1.0.3)
-    addressable (2.5.2)
-      public_suffix (>= 2.0.2, < 4.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     afm (0.2.2)
     asciidoctor (1.5.8)
     asciidoctor-diagram (1.5.14)
@@ -22,14 +22,16 @@ GEM
     concurrent-ruby (1.1.5)
     crack (0.4.3)
       safe_yaml (~> 1.0.0)
-    css_parser (1.7.0)
+    css_parser (1.12.0)
       addressable
     em-websocket (0.5.1)
       eventmachine (>= 0.12.9)
       http_parser.rb (~> 0.6.0)
     eventmachine (1.2.7)
-    faraday (0.15.4)
-      multipart-post (>= 1.2, < 3)
+    faraday (2.6.0)
+      faraday-net_http (>= 2.0, < 3.1)
+      ruby2_keywords (>= 0.0.4)
+    faraday-net_http (3.0.0)
     ffi (1.11.1)
     forwardable-extended (2.6.0)
     haml (5.0.4)
@@ -85,9 +87,9 @@ GEM
       ruby_dep (~> 1.2)
     logger (1.3.0)
     mercenary (0.3.6)
-    multipart-post (2.0.0)
-    octokit (4.13.0)
-      sawyer (~> 0.8.0, >= 0.5.3)
+    octokit (4.25.1)
+      faraday (>= 1, < 3)
+      sawyer (~> 0.9)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
     pdf-core (0.7.0)
@@ -111,12 +113,13 @@ GEM
     prawn-templates (0.1.1)
       pdf-reader (~> 2.0)
       prawn (~> 2.2)
-    public_suffix (3.0.3)
+    public_suffix (5.0.0)
     rb-fsevent (0.10.3)
     rb-inotify (0.10.0)
       ffi (~> 1.0)
     rouge (3.3.0)
     ruby-rc4 (0.1.5)
+    ruby2_keywords (0.0.5)
     ruby_dep (1.5.0)
     safe_yaml (1.0.5)
     sass (3.7.4)
@@ -124,15 +127,15 @@ GEM
     sass-listen (4.0.0)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
-    sawyer (0.8.1)
-      addressable (>= 2.3.5, < 2.6)
-      faraday (~> 0.8, < 1.0)
+    sawyer (0.9.2)
+      addressable (>= 2.3.5)
+      faraday (>= 0.17.3, < 3)
     temple (0.8.1)
     thread_safe (0.3.6)
     tilt (2.0.9)
     treetop (1.5.3)
       polyglot (~> 0.3)
-    ttfunk (1.5.1)
+    ttfunk (1.7.0)
 
 PLATFORMS
   ruby