diff --git a/Gemfile.lock b/Gemfile.lock
index 63695dc..3fca78b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -7,7 +7,7 @@ GEM
       minitest (~> 5.1)
       tzinfo (~> 1.1)
       zeitwerk (~> 2.2, >= 2.2.2)
-    addressable (2.7.0)
+    addressable (2.8.0)
       public_suffix (>= 2.0.2, < 5.0)
     algolia_html_extractor (2.6.4)
       json (~> 2.0)
@@ -30,6 +30,7 @@ GEM
       http_parser.rb (~> 0.6.0)
     ethon (0.13.0)
       ffi (>= 1.15.0)
+    eventmachine (1.2.7)
     eventmachine (1.2.7-x64-mingw32)
     execjs (2.7.0)
     faraday (1.3.0)
@@ -37,6 +38,7 @@ GEM
       multipart-post (>= 1.2, < 3)
       ruby2_keywords
     faraday-net_http (1.0.1)
+    ffi (1.15.0)
     ffi (1.15.0-x64-mingw32)
     filesize (0.2.0)
     forwardable-extended (2.6.0)
@@ -233,6 +235,8 @@ GEM
     multipart-post (2.1.1)
     nokogiri (1.11.3-x64-mingw32)
       racc (~> 1.4)
+    nokogiri (1.11.3-x86_64-linux)
+      racc (~> 1.4)
     octokit (4.20.0)
       faraday (>= 0.9)
       sawyer (~> 0.8.0, >= 0.5.3)
@@ -273,14 +277,15 @@ GEM
     unf (0.1.4)
       unf_ext
     unf_ext (0.0.7.7)
+    unf_ext (0.0.7.7-x64-mingw32)
     unicode-display_width (1.7.0)
     verbal_expressions (0.1.5)
-    wdm (0.1.1)
     webrick (1.7.0)
     zeitwerk (2.4.2)
 
 PLATFORMS
   x64-mingw32
+  x86_64-linux
 
 DEPENDENCIES
   github-pages
@@ -292,7 +297,6 @@ DEPENDENCIES
   jekyll-sitemap
   jemoji
   tzinfo-data
-  wdm (~> 0.1.0)
   webrick
 
 BUNDLED WITH