diff --git a/common/dependabot-common.gemspec b/common/dependabot-common.gemspec
index cbf811aff74..3b668a3aaa8 100644
--- a/common/dependabot-common.gemspec
+++ b/common/dependabot-common.gemspec
@@ -29,7 +29,7 @@ Gem::Specification.new do |spec|
   spec.add_dependency "aws-sdk-ecr", "~> 1.5"
   spec.add_dependency "bundler", ">= 1.16", "< 3.0.0"
   spec.add_dependency "commonmarker", ">= 0.20.1", "< 0.24.0"
-  spec.add_dependency "docker_registry2", "~> 1.13"
+  spec.add_dependency "docker_registry2", "~> 1.14"
   spec.add_dependency "excon", "~> 0.96", "< 0.100"
   spec.add_dependency "faraday", "2.7.4"
   spec.add_dependency "faraday-retry", "2.0.0"
diff --git a/docker/lib/dependabot/docker/update_checker.rb b/docker/lib/dependabot/docker/update_checker.rb
index 4cc55988680..fbb759bd69c 100644
--- a/docker/lib/dependabot/docker/update_checker.rb
+++ b/docker/lib/dependabot/docker/update_checker.rb
@@ -10,36 +10,6 @@
 require "dependabot/docker/requirement"
 require "dependabot/docker/utils/credentials_finder"
 
-module DockerRegistry2
-  class Registry
-    private
-
-    # By default the Docker Registry client sets the Accept header to
-    # `application/vnd.docker.distribution.manifest.v2+json`. This is fine for
-    # most images, but for multi-architecture images, it fetches the digest of a
-    # specific architecture instead of the digest for the multi-architecture
-    # image. We override the header to tell the Docker API to vary its behavior
-    # depending on whether the image is a uses a traditional (non-list) manifest
-    # or a manifest list. If the image uses a traditional manifest, the API will
-    # return the manifest digest. If the image uses a manifest list, the API
-    # will return the manifest list digest.
-    def headers(payload: nil, bearer_token: nil)
-      headers = {}
-      headers["Authorization"] = "Bearer #{bearer_token}" unless bearer_token.nil?
-      if payload.nil?
-        headers["Accept"] = %w(
-          application/vnd.docker.distribution.manifest.v2+json
-          application/vnd.docker.distribution.manifest.list.v2+json
-          application/json
-        ).join(",")
-      end
-      headers["Content-Type"] = "application/vnd.docker.distribution.manifest.v2+json" unless payload.nil?
-
-      headers
-    end
-  end
-end
-
 module Dependabot
   module Docker
     class UpdateChecker < Dependabot::UpdateCheckers::Base
diff --git a/updater/Gemfile.lock b/updater/Gemfile.lock
index be5bfc8c528..cdf20f6fb0e 100644
--- a/updater/Gemfile.lock
+++ b/updater/Gemfile.lock
@@ -18,7 +18,7 @@ PATH
       aws-sdk-ecr (~> 1.5)
       bundler (>= 1.16, < 3.0.0)
       commonmarker (>= 0.20.1, < 0.24.0)
-      docker_registry2 (~> 1.13)
+      docker_registry2 (~> 1.14)
       excon (~> 0.96, < 0.100)
       faraday (= 2.7.4)
       faraday-retry (= 2.0.0)
@@ -143,7 +143,7 @@ GEM
       irb (>= 1.5.0)
       reline (>= 0.3.1)
     diff-lcs (1.5.0)
-    docker_registry2 (1.13.0)
+    docker_registry2 (1.14.0)
       rest-client (>= 1.8.0)
     domain_name (0.5.20190701)
       unf (>= 0.0.5, < 1.0.0)