diff --git a/docs/Gemfile.lock b/docs/Gemfile.lock
index 7223196e..4865e98e 100644
--- a/docs/Gemfile.lock
+++ b/docs/Gemfile.lock
@@ -6,8 +6,8 @@ GEM
       i18n (>= 1.6, < 2)
       minitest (>= 5.1)
       tzinfo (~> 2.0)
-    addressable (2.8.4)
-      public_suffix (>= 2.0.2, < 6.0)
+    addressable (2.9.0)
+      public_suffix (>= 2.0.2, < 8.0)
     coffee-script (2.4.1)
       coffee-script-source
       execjs
@@ -23,14 +23,12 @@ GEM
     ethon (0.16.0)
       ffi (>= 1.15.0)
     eventmachine (1.2.7)
-    eventmachine (1.2.7-x64-mingw32)
     execjs (2.8.1)
     faraday (2.7.5)
       faraday-net_http (>= 2.0, < 3.1)
       ruby2_keywords (>= 0.0.4)
     faraday-net_http (3.0.2)
     ffi (1.15.5)
-    ffi (1.15.5-x64-mingw32)
     forwardable-extended (2.6.0)
     gemoji (3.0.1)
     github-pages (228)
@@ -250,13 +248,12 @@ GEM
     unf (0.1.4)
       unf_ext
     unf_ext (0.0.8.2)
-    unf_ext (0.0.8.2-x64-mingw32)
     unicode-display_width (1.8.0)
     webrick (1.8.2)
 
 PLATFORMS
   ruby
-  x64-mingw32
+  x64-mingw-ucrt
 
 DEPENDENCIES
   github-pages