diff --git a/Gemfile.lock b/Gemfile.lock
index f601453..81b146c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,8 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.4.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     blankslate (2.1.2.4)
     classifier-reborn (2.0.4)
       fast-stemmer (~> 1.0)
@@ -11,8 +12,10 @@ GEM
     coffee-script-source (1.10.0)
     colorator (0.1)
     execjs (2.6.0)
-    faraday (0.9.2)
-      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)
     fast-stemmer (1.0.2)
     ffi (1.9.10)
     jekyll (2.4.0)
@@ -32,7 +35,7 @@ GEM
       toml (~> 0.1.0)
     jekyll-coffeescript (1.0.1)
       coffee-script (~> 2.2)
-    jekyll-gist (1.4.0)
+    jekyll-gist (1.5.0)
       octokit (~> 4.2)
     jekyll-paginate (1.1.0)
     jekyll-redirect-from (0.9.1)
@@ -48,12 +51,13 @@ GEM
       rb-fsevent (>= 0.9.3)
       rb-inotify (>= 0.9)
     mercenary (0.3.5)
-    multipart-post (2.0.0)
-    octokit (4.3.0)
-      sawyer (~> 0.7.0, >= 0.5.3)
+    octokit (4.25.1)
+      faraday (>= 1, < 3)
+      sawyer (~> 0.9)
     parslet (1.5.0)
       blankslate (~> 2.0)
     posix-spawn (0.3.11)
+    public_suffix (5.0.0)
     pygments.rb (0.6.3)
       posix-spawn (~> 0.3.6)
       yajl-ruby (~> 1.2.0)
@@ -62,11 +66,12 @@ GEM
       ffi (>= 0.5.0)
     redcarpet (3.3.3)
     rouge (2.0.5)
+    ruby2_keywords (0.0.5)
     safe_yaml (1.0.4)
     sass (3.4.21)
-    sawyer (0.7.0)
-      addressable (>= 2.3.5, < 2.5)
-      faraday (~> 0.8, < 0.10)
+    sawyer (0.9.2)
+      addressable (>= 2.3.5)
+      faraday (>= 0.17.3, < 3)
     toml (0.1.2)
       parslet (~> 1.5.0)
     yajl-ruby (1.2.1)