diff --git a/.github/workflows/ruby.yml b/.github/workflows/ruby.yml
index 43ccc2f..a4f0a0f 100644
--- a/.github/workflows/ruby.yml
+++ b/.github/workflows/ruby.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        ruby: ["2.5", "2.6", "2.7", "3.0"]
+        ruby: ["2.7", "3.0", "3.1"]
     name: Ruby Test ${{ matrix.ruby }}
 
     steps:
@@ -31,7 +31,7 @@ jobs:
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: 3.0
+          ruby-version: "3.0"
           bundler-cache:
             true # Runs bundle install and caches gems. See the ruby_test.yml
             # example if you need more control over bundler.
diff --git a/.rubocop.yml b/.rubocop.yml
index 918d5c9..6bb5572 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -11,7 +11,7 @@ inherit_from: .rubocop_todo.yml
 #
 # See https://github.com/rubocop-hq/rubocop/blob/master/manual/configuration.md
 AllCops:
-  TargetRubyVersion: 2.4
+  TargetRubyVersion: "2.7"
 Style/ClassAndModuleChildren:
   Enabled: false
 Layout/LineLength:
@@ -19,7 +19,7 @@ Layout/LineLength:
   AutoCorrect: true
 Naming/FileName:
   Exclude:
-    - 'lib/sequencescape-api.rb'
+    - "lib/sequencescape-api.rb"
 
 # Pending Cops
 Lint/DuplicateBranch: # (new in 1.3)
diff --git a/.ruby-version b/.ruby-version
index 56b1397..a4dd9db 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-ruby-2.5.8
+2.7.4
diff --git a/README.markdown b/README.markdown
index c737086..6da9782 100644
--- a/README.markdown
+++ b/README.markdown
@@ -12,8 +12,10 @@ Documentation can be found [on the wiki](https://github.com/sanger/sequencescape
 - 0.6.x Removes usage of WTSISignOn cookie. Replaces with user specific api key,
   can be provided to Sequencescape::Api.new as user_api_key: or via
   `api_connection_options` in the controller.
+- 1.0.x Enables HTTPS
+- 2.0.x Drops support for versions less than Ruby 2.7
 
-- master currently corresponds to 0.6.x
+- master currently corresponds to 2.x
 
 Rails 6 appears to be supported judging by Specs, but haven't used it in anger
 yet.
@@ -22,7 +24,7 @@ yet.
 
 1. Update the version number in `lib/sequencescape-api/version.rb`
 2. For pre-releases the version number should be in the format:
-   major.minor.point-rcx
+   major.minor.point-rcx (increment x to prevent burning though version numbers when testing release candidates)
 3. For release version the version number should be in the format:
    major.minor.point
 4. Ensure everything is committed, and for non-pre-releases, make sure you are
diff --git a/lib/sequencescape-api/connection_factory/actions.rb b/lib/sequencescape-api/connection_factory/actions.rb
index 4022126..51f0a51 100644
--- a/lib/sequencescape-api/connection_factory/actions.rb
+++ b/lib/sequencescape-api/connection_factory/actions.rb
@@ -8,8 +8,8 @@
   Net::HTTP.module_eval do
     alias_method '__initialize__', 'initialize'
 
-    def initialize(*args, &block)
-      __initialize__(*args, &block)
+    def initialize(...)
+      __initialize__(...)
     ensure
       @debug_output = $stderr if ENV['HTTP_DEBUG']
     end
@@ -105,7 +105,7 @@ def perform(http_verb, url, body = nil, accepts = nil) # rubocop:todo Metrics/Me
     rescue URI::InvalidURIError => e
       raise URI::InvalidURIError, "#{http_verb} failed: #{url.inspect} is not a valid uri"
     end
-    Net::HTTP.start(uri.host, uri.port) do |connection|
+    Net::HTTP.start(uri.host, uri.port, use_ssl: uri.scheme == 'https') do |connection|
       connection.read_timeout = read_timeout
       request_headers = headers
       request_headers.merge!('Accept' => accepts) unless accepts.nil?
@@ -122,7 +122,7 @@ def perform(http_verb, url, body = nil, accepts = nil) # rubocop:todo Metrics/Me
 
   def perform_for_file(http_verb, url, file, filename, content_type)
     uri = URI.parse(url)
-    Net::HTTP.start(uri.host, uri.port) do |connection|
+    Net::HTTP.start(uri.host, uri.port, use_ssl: uri.scheme == 'https') do |connection|
       connection.read_timeout = read_timeout
       file_headers = headers.merge!({ 'Content-Disposition' => "form-data; filename=\"#{filename}\"" })
       request = Net::HTTP.const_get(http_verb.to_s.classify).new(uri.request_uri, file_headers)
diff --git a/lib/sequencescape-api/error_handling.rb b/lib/sequencescape-api/error_handling.rb
index ed971cc..d6e5b91 100644
--- a/lib/sequencescape-api/error_handling.rb
+++ b/lib/sequencescape-api/error_handling.rb
@@ -5,6 +5,7 @@
 require 'active_model/errors'
 
 # Uh, ok, so why do I have to include these when I've kind of said I want everything!?!!
+require 'active_support/core_ext/module/deprecation'
 require 'active_model/validator'
 require 'active_model/validations'
 require 'active_model/callbacks'
diff --git a/lib/sequencescape-api/resource/attribute_groups.rb b/lib/sequencescape-api/resource/attribute_groups.rb
index aeda953..ff9085b 100644
--- a/lib/sequencescape-api/resource/attribute_groups.rb
+++ b/lib/sequencescape-api/resource/attribute_groups.rb
@@ -28,19 +28,17 @@ def eager_loaded_attribute?(name)
   end
 
   module Json
-    def as_json_for_update(options) # rubocop:todo Metrics/MethodLength
+    def as_json_for_update(options)
       super.tap do |json|
-        begin
-          if options[:root]
-            json.fetch(json_root).merge!(attribute_group_json(options))
-          else
-            json.merge!(attribute_group_json(options))
-          end
-        rescue KeyError => e
-          # If we get a key error, append the json to out exception to assist diagnosing issues
-          e.message << " in #{json.to_json}"
-          raise e
+        if options[:root]
+          json.fetch(json_root).merge!(attribute_group_json(options))
+        else
+          json.merge!(attribute_group_json(options))
         end
+      rescue KeyError => e
+        # If we get a key error, append the json to out exception to assist diagnosing issues
+        e.message << " in #{json.to_json}"
+        raise e
       end
     end
     private :as_json_for_update
diff --git a/lib/sequencescape-api/version.rb b/lib/sequencescape-api/version.rb
index 6576379..8f47958 100644
--- a/lib/sequencescape-api/version.rb
+++ b/lib/sequencescape-api/version.rb
@@ -1,5 +1,5 @@
 module Sequencescape
   class Api
-    VERSION = '0.7.1'.freeze
+    VERSION = '2.0.0'.freeze
   end
 end
diff --git a/sequencescape-api.gemspec b/sequencescape-api.gemspec
index ab83cd5..a782c4c 100644
--- a/sequencescape-api.gemspec
+++ b/sequencescape-api.gemspec
@@ -10,7 +10,7 @@ Gem::Specification.new do |s|
   s.homepage    = ''
   s.summary     = 'Gem for the client side of the Sequencescape API'
   s.description = 'Provides all of the necessary code for interacting with the Sequencescape API'
-  s.required_ruby_version = '> 2.4'
+  s.required_ruby_version = '>= 2.7'
 
   s.rubyforge_project = 'sequencescape-client-api'
 
diff --git a/spec/sequencescape-api/modifications_spec.rb b/spec/sequencescape-api/modifications_spec.rb
index 2b0d4c5..2edaf83 100644
--- a/spec/sequencescape-api/modifications_spec.rb
+++ b/spec/sequencescape-api/modifications_spec.rb
@@ -11,11 +11,9 @@
     end
 
     it 'includes the error on the field' do
-      begin
-        target.__send__(action, attribute_validated_at_client: 'please error')
-      rescue Sequencescape::Api::ResourceInvalid => e
-        e.resource.errors[:attribute_validated_at_client].should == ['cannot be set']
-      end
+      target.__send__(action, attribute_validated_at_client: 'please error')
+    rescue Sequencescape::Api::ResourceInvalid => e
+      e.resource.errors[:attribute_validated_at_client].should == ['cannot be set']
     end
   end
 
@@ -29,11 +27,9 @@
     end
 
     it 'includes the error on the field' do
-      begin
-        target.__send__(action, attribute_validated_at_server: 'please error')
-      rescue Sequencescape::Api::ResourceInvalid => e
-        e.resource.errors[:attribute_validated_at_server].should == ['cannot be set']
-      end
+      target.__send__(action, attribute_validated_at_server: 'please error')
+    rescue Sequencescape::Api::ResourceInvalid => e
+      e.resource.errors[:attribute_validated_at_server].should == ['cannot be set']
     end
   end
 end