diff --git a/Gemfile.lock b/Gemfile.lock
index adf8a35..6b28ef1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    activesupport (6.0.6)
+    activesupport (6.0.6.1)
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
@@ -15,7 +15,7 @@ GEM
     coffee-script-source (1.11.1)
     colorator (1.1.0)
     commonmarker (0.23.6)
-    concurrent-ruby (1.1.10)
+    concurrent-ruby (1.2.0)
     dnsruby (1.61.9)
       simpleidn (~> 0.1)
     em-websocket (0.5.3)
@@ -31,6 +31,7 @@ GEM
       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-mingw-ucrt)
     ffi (1.15.5-x64-mingw32)
     ffi (1.15.5-x86-mingw32)
@@ -215,7 +216,7 @@ GEM
       jekyll (>= 3.5, < 5.0)
       jekyll-feed (~> 0.9)
       jekyll-seo-tag (~> 2.1)
-    minitest (5.16.3)
+    minitest (5.17.0)
     nokogiri (1.13.10)
       mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
@@ -249,13 +250,12 @@ GEM
     thread_safe (0.3.6)
     typhoeus (1.4.0)
       ethon (>= 0.9.0)
-    tzinfo (1.2.10)
+    tzinfo (1.2.11)
       thread_safe (~> 0.1)
     unf (0.1.4)
       unf_ext
     unf_ext (0.0.8.2)
     unicode-display_width (1.8.0)
-    wdm (0.1.1)
     webrick (1.7.0)
     zeitwerk (2.6.6)
 
@@ -263,10 +263,10 @@ PLATFORMS
   x64-mingw-ucrt
   x64-mingw32
   x86-mingw32
+  x86_64-linux
 
 DEPENDENCIES
   github-pages
-  wdm (~> 0.1.0)
   webrick (~> 1.7)
 
 BUNDLED WITH