diff --git a/Gemfile.lock b/Gemfile.lock
index 9ce2657..7e50d20 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -3,7 +3,7 @@ PATH
   specs:
     maxmind-geoip2 (1.5.1)
       connection_pool (>= 2.2, < 4.0)
-      http (>= 4.3, < 6.0)
+      http (>= 4.3, < 7.0)
       maxmind-db (~> 1.4)
 
 GEM
@@ -20,30 +20,19 @@ GEM
       rexml
     domain_name (0.6.20240107)
     drb (2.2.3)
-    ffi (1.17.3)
-    ffi (1.17.3-aarch64-linux-gnu)
-    ffi (1.17.3-aarch64-linux-musl)
-    ffi (1.17.3-arm-linux-gnu)
-    ffi (1.17.3-arm-linux-musl)
-    ffi (1.17.3-arm64-darwin)
     ffi (1.17.3-java)
-    ffi (1.17.3-x86-linux-gnu)
-    ffi (1.17.3-x86-linux-musl)
-    ffi (1.17.3-x86_64-darwin)
-    ffi (1.17.3-x86_64-linux-gnu)
-    ffi (1.17.3-x86_64-linux-musl)
     ffi-compiler (1.3.2)
       ffi (>= 1.15.5)
       rake
     hashdiff (1.2.1)
-    http (5.3.1)
-      addressable (~> 2.8)
+    http (6.0.1)
+      http-cookie (~> 1.0)
+      llhttp (~> 0.6.1)
+    http (6.0.1-java)
       http-cookie (~> 1.0)
-      http-form_data (~> 2.2)
-      llhttp-ffi (~> 0.5.0)
+      llhttp-ffi (~> 0.5.1)
     http-cookie (1.1.0)
       domain_name (~> 0.5)
-    http-form_data (2.3.0)
     json (2.19.2)
     json (2.19.2-java)
     json-schema (6.2.0)
@@ -51,6 +40,7 @@ GEM
       bigdecimal (>= 3.1, < 5)
     language_server-protocol (3.17.0.5)
     lint_roller (1.1.0)
+    llhttp (0.6.1)
     llhttp-ffi (0.5.1)
       ffi-compiler (~> 1.0)
       rake (~> 13.0)
@@ -106,7 +96,7 @@ GEM
     unicode-display_width (3.2.0)
       unicode-emoji (~> 4.1)
     unicode-emoji (4.2.0)
-    webmock (3.26.1)
+    webmock (3.26.2)
       addressable (>= 2.8.0)
       crack (>= 0.3.2)
       hashdiff (>= 0.4.0, < 2.0.0)
diff --git a/maxmind-geoip2.gemspec b/maxmind-geoip2.gemspec
index eb9d5d4..f40f649 100644
--- a/maxmind-geoip2.gemspec
+++ b/maxmind-geoip2.gemspec
@@ -27,7 +27,7 @@ Gem::Specification.new do |s|
   s.required_ruby_version = '>= 3.2'
 
   s.add_dependency 'connection_pool', '>= 2.2', '< 4.0'
-  s.add_dependency 'http', '>= 4.3', '< 6.0'
+  s.add_dependency 'http', '>= 4.3', '< 7.0'
   s.add_dependency 'maxmind-db', ['~> 1.4']
 
   s.add_development_dependency 'minitest'