diff --git a/Gemfile b/Gemfile
index e26efcbd55..a10613b30b 100644
--- a/Gemfile
+++ b/Gemfile
@@ -54,7 +54,7 @@ gem 'fast_blank', '~> 1.0'
 gem 'fastimage'
 gem 'hiredis', '~> 0.6'
 gem 'htmlentities', '~> 4.3'
-gem 'http', '~> 5.1.0'
+gem 'http', '~> 5.2.0'
 gem 'http_accept_language', '~> 2.1'
 gem 'httplog', '~> 1.6.2'
 gem 'i18n', '1.14.1' # TODO: Remove version when resolved: https://github.com/glebm/i18n-tasks/issues/552 / https://github.com/ruby-i18n/i18n/pull/688
diff --git a/Gemfile.lock b/Gemfile.lock
index 2198efa79a..ab73754607 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -318,11 +318,12 @@ GEM
     hiredis (0.6.3)
     hkdf (0.3.0)
     htmlentities (4.3.4)
-    http (5.1.1)
+    http (5.2.0)
       addressable (~> 2.8)
+      base64 (~> 0.1)
       http-cookie (~> 1.0)
       http-form_data (~> 2.2)
-      llhttp-ffi (~> 0.4.0)
+      llhttp-ffi (~> 0.5.0)
     http-cookie (1.0.5)
       domain_name (~> 0.5)
     http-form_data (2.3.0)
@@ -403,7 +404,7 @@ GEM
       railties (>= 5.2)
       rexml
     link_header (0.0.8)
-    llhttp-ffi (0.4.0)
+    llhttp-ffi (0.5.0)
       ffi-compiler (~> 1.0)
       rake (~> 13.0)
     lograge (0.14.0)
@@ -860,7 +861,7 @@ DEPENDENCIES
   hcaptcha (~> 7.1)
   hiredis (~> 0.6)
   htmlentities (~> 4.3)
-  http (~> 5.1.0)
+  http (~> 5.2.0)
   http_accept_language (~> 2.1)
   httplog (~> 1.6.2)
   i18n (= 1.14.1)
diff --git a/config/application.rb b/config/application.rb
index a17a48b093..1b38789927 100644
--- a/config/application.rb
+++ b/config/application.rb
@@ -50,7 +50,6 @@ require_relative '../lib/rails/engine_extensions'
 require_relative '../lib/active_record/database_tasks_extensions'
 require_relative '../lib/active_record/batches'
 require_relative '../lib/simple_navigation/item_extensions'
-require_relative '../lib/http_extensions'
 
 Dotenv::Rails.load
 
diff --git a/lib/http_extensions.rb b/lib/http_extensions.rb
deleted file mode 100644
index 048f85f87b..0000000000
--- a/lib/http_extensions.rb
+++ /dev/null
@@ -1,8 +0,0 @@
-# frozen_string_literal: true
-
-# Monkey patching until https://github.com/httprb/http/pull/757 is merged
-unless HTTP::Request::METHODS.include?(:purge)
-  methods = HTTP::Request::METHODS.dup
-  HTTP::Request.send(:remove_const, :METHODS)
-  HTTP::Request.const_set(:METHODS, methods.push(:purge).freeze)
-end