diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 90774175..5f7dfd4c 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "1.2.6"
+  ".": "1.2.7"
 }
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7b77ae5d..b32add97 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## 1.2.7 (2026-01-10)
+
+Full Changelog: [v1.2.6...v1.2.7](https://github.com/OneBusAway/ruby-sdk/compare/v1.2.6...v1.2.7)
+
+### Chores
+
+* move `cgi` into dependencies for ruby 4 ([2e10f48](https://github.com/OneBusAway/ruby-sdk/commit/2e10f483af68afb8e78611cedbefcbf2ebe9dc6a))
+
 ## 1.2.6 (2026-01-06)
 
 Full Changelog: [v1.2.5...v1.2.6](https://github.com/OneBusAway/ruby-sdk/compare/v1.2.5...v1.2.6)
diff --git a/Gemfile.lock b/Gemfile.lock
index 0016a778..a46e17b7 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -11,7 +11,8 @@ GIT
 PATH
   remote: .
   specs:
-    onebusaway-sdk (1.2.6)
+    onebusaway-sdk (1.2.7)
+      cgi
       connection_pool
 
 GEM
@@ -42,6 +43,7 @@ GEM
     base64 (0.3.0)
     benchmark (0.5.0)
     bigdecimal (3.3.1)
+    cgi (0.5.1)
     concurrent-ruby (1.3.5)
     connection_pool (2.5.4)
     console (1.34.2)
diff --git a/README.md b/README.md
index 57893c86..ec379091 100644
--- a/README.md
+++ b/README.md
@@ -17,7 +17,7 @@ To use this gem, install via Bundler by adding the following to your application
 <!-- x-release-please-start-version -->
 
 ```ruby
-gem "onebusaway-sdk", "~> 1.2.6"
+gem "onebusaway-sdk", "~> 1.2.7"
 ```
 
 <!-- x-release-please-end -->
diff --git a/lib/onebusaway_sdk/version.rb b/lib/onebusaway_sdk/version.rb
index 682edfa4..93d517b5 100644
--- a/lib/onebusaway_sdk/version.rb
+++ b/lib/onebusaway_sdk/version.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module OnebusawaySDK
-  VERSION = "1.2.6"
+  VERSION = "1.2.7"
 end
diff --git a/onebusaway_sdk.gemspec b/onebusaway_sdk.gemspec
index 2f9cbc1b..d750d29d 100644
--- a/onebusaway_sdk.gemspec
+++ b/onebusaway_sdk.gemspec
@@ -24,5 +24,6 @@ Gem::Specification.new do |s|
     ".ignore"
   ]
   s.extra_rdoc_files = ["README.md"]
+  s.add_dependency "cgi"
   s.add_dependency "connection_pool"
 end