diff --git a/Gemfile.lock b/Gemfile.lock
index 0e69209..42f39ee 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -61,7 +61,7 @@ GEM
       jekyll (>= 3.7, < 5.0)
     jekyll-watch (2.2.1)
       listen (~> 3.0)
-    kramdown (2.3.0)
+    kramdown (2.3.1)
       rexml
     kramdown-parser-gfm (1.1.0)
       kramdown (~> 2.0)
@@ -70,8 +70,10 @@ GEM
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
     mercenary (0.3.6)
+    mini_portile2 (2.5.0)
     minitest (5.14.3)
-    nokogiri (1.11.1-x86_64-linux)
+    nokogiri (1.11.1)
+      mini_portile2 (~> 2.5.0)
       racc (~> 1.4)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
@@ -94,6 +96,7 @@ GEM
     zeitwerk (2.4.2)
 
 PLATFORMS
+  ruby
   x86_64-linux
 
 DEPENDENCIES