diff --git a/Gemfile b/Gemfile
index ed84c00..2693175 100644
--- a/Gemfile
+++ b/Gemfile
@@ -14,7 +14,7 @@ gem 'rake',            '~> 12.3.3'
 
 gem 'sentry-raven'
 
-gem 'activesupport',   '~> 4.1.11'
+gem 'activesupport',   '~> 6.1.7'
 
 gem 'metriks'
 gem 'metriks-librato_metrics'
diff --git a/Gemfile.lock b/Gemfile.lock
index a8125b6..54d7c04 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -14,17 +14,17 @@ GIT
 GEM
   remote: https://rubygems.org/
   specs:
-    activesupport (4.1.16)
-      i18n (~> 0.6, >= 0.6.9)
-      json (~> 1.7, >= 1.7.7)
-      minitest (~> 5.1)
-      thread_safe (~> 0.1)
-      tzinfo (~> 1.1)
+    activesupport (6.1.7.3)
+      concurrent-ruby (~> 1.0, >= 1.0.2)
+      i18n (>= 1.6, < 2)
+      minitest (>= 5.1)
+      tzinfo (~> 2.0)
+      zeitwerk (~> 2.3)
     atomic (1.1.99)
     avl_tree (1.2.1)
       atomic (~> 1.1)
     coderay (1.1.2)
-    concurrent-ruby (1.0.5)
+    concurrent-ruby (1.2.2)
     connection_pool (2.2.1)
     diff-lcs (1.3)
     faraday (0.15.0)
@@ -33,9 +33,8 @@ GEM
       thor (>= 0.13.6)
     hashr (2.0.1)
     hitimes (1.2.6)
-    i18n (0.9.5)
+    i18n (1.12.0)
       concurrent-ruby (~> 1.0)
-    json (1.8.6)
     method_source (0.9.0)
     metriks (0.9.9.8)
       atomic (~> 1.0)
@@ -43,7 +42,7 @@ GEM
       hitimes (~> 1.1)
     metriks-librato_metrics (1.0.6)
       metriks (>= 0.9.9.6)
-    minitest (5.11.3)
+    minitest (5.15.0)
     multipart-post (2.0.0)
     mustermann (1.0.3)
     nio4r (2.5.8)
@@ -81,20 +80,20 @@ GEM
       rack-protection (= 2.0.3)
       tilt (~> 2.0)
     thor (0.20.0)
-    thread_safe (0.3.6)
     tilt (2.0.8)
     timecop (0.9.1)
     travis-config (1.0.13)
       hashr (~> 2.0.0)
-    tzinfo (1.2.5)
-      thread_safe (~> 0.1)
+    tzinfo (2.0.6)
+      concurrent-ruby (~> 1.0)
     yajl-ruby (1.4.0)
+    zeitwerk (2.6.7)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
-  activesupport (~> 4.1.11)
+  activesupport (~> 6.1.7)
   foreman (~> 0.41.0)
   jemalloc!
   metriks