diff --git a/Gemfile.lock b/Gemfile.lock
index 4fd9404..74f7ae2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -2,11 +2,12 @@ GEM
   remote: https://rubygems.org/
   specs:
     RedCloth (4.2.9)
-    activesupport (5.1.2)
+    activesupport (6.0.3.1)
       concurrent-ruby (~> 1.0, >= 1.0.2)
-      i18n (~> 0.7)
+      i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
+      zeitwerk (~> 2.2, >= 2.2.2)
     addressable (2.4.0)
     blankslate (2.1.2.4)
     classifier-reborn (2.1.0)
@@ -16,7 +17,7 @@ GEM
       execjs
     coffee-script-source (1.12.2)
     colorator (0.1)
-    concurrent-ruby (1.0.5)
+    concurrent-ruby (1.1.6)
     ethon (0.10.1)
       ffi (>= 1.3.0)
     execjs (2.7.0)
@@ -52,7 +53,8 @@ GEM
     html-pipeline (1.9.0)
       activesupport (>= 2)
       nokogiri (~> 1.4)
-    i18n (0.8.6)
+    i18n (1.8.2)
+      concurrent-ruby (~> 1.0)
     jekyll (2.4.0)
       classifier-reborn (~> 2.0)
       colorator (~> 0.1)
@@ -96,7 +98,7 @@ GEM
     maruku (0.7.0)
     mercenary (0.3.6)
     mini_portile2 (2.4.0)
-    minitest (5.10.3)
+    minitest (5.14.1)
     multipart-post (2.0.0)
     net-dns (0.8.0)
     nokogiri (1.10.9)
@@ -134,11 +136,12 @@ GEM
       parslet (~> 1.5.0)
     typhoeus (0.8.0)
       ethon (>= 0.8.0)
-    tzinfo (1.2.3)
+    tzinfo (1.2.7)
       thread_safe (~> 0.1)
     unicode-display_width (1.3.0)
     wdm (0.1.1)
     yajl-ruby (1.2.2)
+    zeitwerk (2.3.0)
 
 PLATFORMS
   ruby