diff --git a/Gemfile b/Gemfile
index 4b7e6ec..0fe3a81 100644
--- a/Gemfile
+++ b/Gemfile
@@ -6,4 +6,4 @@ git_source(:github) { |repo_name| "https://github.com/#{repo_name}" }
 
 gem 'activesupport', '~> 6.1.3'
 gem 'rubyntlm', '~> 0.6.3'
-gem "httpi", '~> 2.4'
+gem "httpi", '~> 3.0'
diff --git a/Gemfile.lock b/Gemfile.lock
index 9992a8c..706e818 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -8,15 +8,13 @@ GEM
       tzinfo (~> 2.0)
       zeitwerk (~> 2.3)
     concurrent-ruby (1.1.8)
-    httpi (2.4.5)
+    httpi (3.0.1)
       rack
-      socksify
     i18n (1.8.10)
       concurrent-ruby (~> 1.0)
     minitest (5.14.4)
     rack (2.2.3)
     rubyntlm (0.6.3)
-    socksify (1.7.1)
     tzinfo (2.0.4)
       concurrent-ruby (~> 1.0)
     zeitwerk (2.4.2)
@@ -27,7 +25,7 @@ PLATFORMS
 
 DEPENDENCIES
   activesupport (~> 6.1.3)
-  httpi (~> 2.4)
+  httpi (~> 3.0)
   rubyntlm (~> 0.6.3)
 
 BUNDLED WITH
diff --git a/ip21.gemspec b/ip21.gemspec
index 37f6b3e..0da42b9 100644
--- a/ip21.gemspec
+++ b/ip21.gemspec
@@ -14,7 +14,7 @@ Gem::Specification.new do |s|
   s.license     = 'MIT'
   s.add_dependency 'activesupport', '~> 6.1.0'
   s.add_dependency 'rubyntlm', '~>0.6.3'
-  s.add_dependency 'httpi', '~>2.4'
+  s.add_dependency 'httpi', '>=2.4', '<4.0'
   s.files = Dir.glob('{docs,bin,lib,spec,templates,benchmarks}/**/*') +
             ['LICENSE', 'README.md', '.yardopts', __FILE__]
   s.require_path = 'lib'