diff --git a/Gemfile.lock b/Gemfile.lock
index 029ec77..ac3f924 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,16 +1,18 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    activesupport (4.2.6)
-      i18n (~> 0.7)
-      json (~> 1.7, >= 1.7.7)
-      minitest (~> 5.1)
-      thread_safe (~> 0.3, >= 0.3.4)
-      tzinfo (~> 1.1)
+    activesupport (6.1.7.1)
+      concurrent-ruby (~> 1.0, >= 1.0.2)
+      i18n (>= 1.6, < 2)
+      minitest (>= 5.1)
+      tzinfo (~> 2.0)
+      zeitwerk (~> 2.3)
     coderay (1.1.1)
     colorator (0.1)
+    concurrent-ruby (1.1.10)
     ffi (1.9.10)
-    i18n (0.7.0)
+    i18n (1.12.0)
+      concurrent-ruby (~> 1.0)
     jekyll (3.1.2)
       colorator (~> 0.1)
       jekyll-sass-converter (~> 1.0)
@@ -25,14 +27,13 @@ GEM
       sass (~> 3.4)
     jekyll-watch (1.3.1)
       listen (~> 3.0)
-    json (1.8.3)
     kramdown (1.10.0)
     liquid (3.0.6)
     listen (3.0.6)
       rb-fsevent (>= 0.9.3)
       rb-inotify (>= 0.9.7)
     mercenary (0.3.6)
-    minitest (5.8.4)
+    minitest (5.17.0)
     rake (11.1.2)
     rb-fsevent (0.9.7)
     rb-inotify (0.9.7)
@@ -41,9 +42,9 @@ GEM
     safe_yaml (1.0.4)
     sass (3.4.22)
     thor (0.19.1)
-    thread_safe (0.3.5)
-    tzinfo (1.2.2)
-      thread_safe (~> 0.1)
+    tzinfo (2.0.5)
+      concurrent-ruby (~> 1.0)
+    zeitwerk (2.6.6)
 
 PLATFORMS
   ruby