diff --git a/docs/Gemfile.lock b/docs/Gemfile.lock
index d2edd20a..3d75471a 100644
--- a/docs/Gemfile.lock
+++ b/docs/Gemfile.lock
@@ -1,8 +1,8 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.5.2)
-      public_suffix (>= 2.0.2, < 4.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     bitcoin-ruby (0.0.18)
     colorator (1.1.0)
     concurrent-ruby (1.0.5)
@@ -12,7 +12,9 @@ GEM
     eventmachine (1.2.7)
     ffi (1.9.25)
     forwardable-extended (2.6.0)
-    git (1.5.0)
+    git (1.13.0)
+      addressable (~> 2.8)
+      rchardet (~> 1.8)
     hashie (3.6.0)
     http_parser.rb (0.6.0)
     i18n (0.9.5)
@@ -54,11 +56,12 @@ GEM
     neatjson (0.8.4)
     pathutil (0.16.1)
       forwardable-extended (~> 2.6)
-    public_suffix (3.0.3)
+    public_suffix (5.0.1)
     rake (12.3.1)
     rb-fsevent (0.10.3)
     rb-inotify (0.9.10)
       ffi (>= 0.5.0, < 2)
+    rchardet (1.8.0)
     rouge (3.3.0)
     ruby_dep (1.5.0)
     safe_yaml (1.0.4)