diff --git a/.rubocop.yml b/.rubocop.yml
index 302030b..3f9d1c4 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -14,11 +14,17 @@ plugins:
   - rubocop-rake
 
 AllCops:
-  TargetRubyVersion: 3.1 # 4.0 not yet afailable Tue Dec 30 15:07:23 PST 2025
+  TargetRubyVersion: 3.3 # 4.0 not yet afailable Tue Dec 30 15:07:23 PST 2025
   NewCops: enable
   Exclude:
     - 'spec/fixture_files/**/*'
 
+Naming/PredicatePrefix:
+  Enabled: false
+
+Naming/PredicateMethod:
+  Enabled: false
+
 Gemspec/DependencyVersion:
   Enabled: false
 
diff --git a/Dockerfile b/Dockerfile
index 272ad4f..a7f1949 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,7 +2,7 @@
 #
 # For development:
 # docker run -it -v $PWD:/project -v $PWD:/tmp/src -w /tmp/src ruby_language_server sh -c 'bundle && guard'
-FROM ruby:4.0-alpine
+FROM ruby:3.3-alpine
 LABEL maintainer="kurt@CircleW.org"
 
 RUN gem update bundler
@@ -28,8 +28,7 @@ RUN rm -rf /usr/local/src
 ENV RUBY_LANGUAGE_SERVER_PROJECT_ROOT=/project/
 # ENV LOG_LEVEL DEBUG
 
-COPY Gemfile* ./
-COPY ruby_language_server.gemspec .
+COPY Gemfile* ruby_language_server.gemspec ./
 COPY lib/ruby_language_server/version.rb lib/ruby_language_server/version.rb
 
 RUN bundle install -j 8
diff --git a/Gemfile.lock b/Gemfile.lock
index 27b92aa..09ebfc9 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -2,7 +2,7 @@ PATH
   remote: .
   specs:
     ruby_language_server (0.4.2)
-      activerecord (~> 8.0)
+      activerecord (~> 8.1)
       amatch
       bundler
       etc
@@ -15,48 +15,46 @@ PATH
 GEM
   remote: https://rubygems.org/
   specs:
-    activemodel (8.0.2)
-      activesupport (= 8.0.2)
-    activerecord (8.0.2)
-      activemodel (= 8.0.2)
-      activesupport (= 8.0.2)
+    activemodel (8.1.1)
+      activesupport (= 8.1.1)
+    activerecord (8.1.1)
+      activemodel (= 8.1.1)
+      activesupport (= 8.1.1)
       timeout (>= 0.4.0)
-    activesupport (8.0.2)
+    activesupport (8.1.1)
       base64
-      benchmark (>= 0.3)
       bigdecimal
       concurrent-ruby (~> 1.0, >= 1.3.1)
       connection_pool (>= 2.2.5)
       drb
       i18n (>= 1.6, < 2)
+      json
       logger (>= 1.4.2)
       minitest (>= 5.1)
       securerandom (>= 0.3)
       tzinfo (~> 2.0, >= 2.0.5)
       uri (>= 0.13.1)
-    amatch (0.4.2)
+    amatch (0.6.0)
       mize
-      tins (~> 1.0)
+      tins (~> 1)
     ansi (1.5.0)
     ast (2.4.3)
-    base64 (0.2.0)
-    benchmark (0.4.0)
-    bigdecimal (3.1.9)
+    base64 (0.3.0)
+    bigdecimal (4.0.1)
     builder (3.3.0)
     coderay (1.1.3)
-    concurrent-ruby (1.3.5)
-    connection_pool (2.5.3)
+    concurrent-ruby (1.3.6)
+    connection_pool (3.0.2)
     date (3.5.1)
     debug (1.11.1)
       irb (~> 1.10)
       reline (>= 0.3.8)
-    drb (2.2.1)
+    drb (2.2.3)
     erb (6.0.1)
-    etc (1.4.5)
-    ffi (1.17.2)
-    ffi (1.17.2-aarch64-linux-musl)
-    ffi (1.17.2-x86_64-linux-gnu)
-    formatador (1.1.0)
+    etc (1.4.6)
+    ffi (1.17.3-aarch64-linux-musl)
+    formatador (1.2.3)
+      reline
     fuzzy_match (2.1.0)
     guard (2.19.1)
       formatador (>= 0.2.4)
@@ -76,23 +74,22 @@ GEM
     guard-rubocop (1.5.0)
       guard (~> 2.0)
       rubocop (< 2.0)
-    i18n (1.14.7)
+    i18n (1.14.8)
       concurrent-ruby (~> 1.0)
     io-console (0.8.2)
     irb (1.16.0)
       pp (>= 0.6.0)
       rdoc (>= 4.0.0)
       reline (>= 0.4.2)
-    json (2.11.3)
-    language_server-protocol (3.17.0.4)
+    json (2.18.0)
+    language_server-protocol (3.17.0.5)
     lint_roller (1.1.0)
     listen (3.9.0)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
     logger (1.7.0)
-    lumberjack (1.2.10)
+    lumberjack (1.4.2)
     method_source (1.1.0)
-    mini_portile2 (2.8.9)
     minitest (6.0.1)
       prism (~> 1.5)
     minitest-reporters (1.7.1)
@@ -105,24 +102,25 @@ GEM
     notiffany (0.1.3)
       nenv (~> 0.1)
       shellany (~> 0.0)
-    ostruct (0.6.1)
+    ostruct (0.6.3)
     parallel (1.27.0)
-    parser (3.3.8.0)
+    parser (3.3.10.0)
       ast (~> 2.4.1)
       racc
     pp (0.6.3)
       prettyprint
     prettyprint (0.2.0)
     prism (1.7.0)
-    pry (0.15.2)
+    pry (0.16.0)
       coderay (~> 1.1)
       method_source (~> 1.0)
+      reline (>= 0.6.0)
     psych (5.3.1)
       date
       stringio
     racc (1.8.1)
     rainbow (3.1.1)
-    rake (13.2.1)
+    rake (13.3.1)
     rb-fsevent (0.11.2)
     rb-inotify (0.11.1)
       ffi (~> 1.0)
@@ -131,10 +129,12 @@ GEM
       erb
       psych (>= 4.0.0)
       tsort
-    regexp_parser (2.10.0)
+    readline (0.0.4)
+      reline
+    regexp_parser (2.11.3)
     reline (0.6.3)
       io-console (~> 0.5)
-    rubocop (1.75.5)
+    rubocop (1.82.1)
       json (~> 2.3)
       language_server-protocol (~> 3.17.0.2)
       lint_roller (~> 1.1.0)
@@ -142,51 +142,49 @@ GEM
       parser (>= 3.3.0.2)
       rainbow (>= 2.2.2, < 4.0)
       regexp_parser (>= 2.9.3, < 3.0)
-      rubocop-ast (>= 1.44.0, < 2.0)
+      rubocop-ast (>= 1.48.0, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 2.4.0, < 4.0)
-    rubocop-ast (1.44.1)
+    rubocop-ast (1.49.0)
       parser (>= 3.3.7.2)
-      prism (~> 1.4)
-    rubocop-minitest (0.38.0)
+      prism (~> 1.7)
+    rubocop-minitest (0.38.2)
       lint_roller (~> 1.1)
       rubocop (>= 1.75.0, < 2.0)
       rubocop-ast (>= 1.38.0, < 2.0)
-    rubocop-performance (1.25.0)
+    rubocop-performance (1.26.1)
       lint_roller (~> 1.1)
       rubocop (>= 1.75.0, < 2.0)
-      rubocop-ast (>= 1.38.0, < 2.0)
+      rubocop-ast (>= 1.47.1, < 2.0)
     rubocop-rake (0.7.1)
       lint_roller (~> 1.1)
       rubocop (>= 1.72.1)
-    rubocop-rspec (3.6.0)
+    rubocop-rspec (3.8.0)
       lint_roller (~> 1.1)
-      rubocop (~> 1.72, >= 1.72.1)
+      rubocop (~> 1.81)
     ruby-progressbar (1.13.0)
     securerandom (0.4.1)
     shellany (0.0.1)
-    sqlite3 (2.6.0)
-      mini_portile2 (~> 2.8.0)
-    sqlite3 (2.6.0-aarch64-linux-musl)
-    sqlite3 (2.6.0-x86_64-linux-gnu)
+    sqlite3 (2.9.0-aarch64-linux-musl)
     stringio (3.2.0)
     sync (0.5.0)
     thor (1.4.0)
-    timeout (0.4.3)
-    tins (1.38.0)
+    timeout (0.6.0)
+    tins (1.51.0)
       bigdecimal
+      mize (~> 0.6)
+      readline
       sync
     tsort (0.2.0)
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
-    unicode-display_width (3.1.4)
-      unicode-emoji (~> 4.0, >= 4.0.4)
+    unicode-display_width (3.2.0)
+      unicode-emoji (~> 4.1)
     unicode-emoji (4.2.0)
-    uri (1.0.3)
+    uri (1.1.1)
 
 PLATFORMS
   aarch64-linux-musl
-  x86_64-linux
 
 DEPENDENCIES
   debug
@@ -205,5 +203,85 @@ DEPENDENCIES
   rubocop-rspec
   ruby_language_server!
 
+CHECKSUMS
+  activemodel (8.1.1)
+  activerecord (8.1.1)
+  activesupport (8.1.1)
+  amatch (0.6.0)
+  ansi (1.5.0)
+  ast (2.4.3)
+  base64 (0.3.0)
+  bigdecimal (4.0.1)
+  builder (3.3.0)
+  coderay (1.1.3)
+  concurrent-ruby (1.3.6)
+  connection_pool (3.0.2)
+  date (3.5.1)
+  debug (1.11.1)
+  drb (2.2.3)
+  erb (6.0.1)
+  etc (1.4.6)
+  ffi (1.17.3-aarch64-linux-musl)
+  formatador (1.2.3)
+  fuzzy_match (2.1.0)
+  guard (2.19.1)
+  guard-compat (1.2.1)
+  guard-minitest (2.4.6)
+  guard-rubocop (1.5.0)
+  i18n (1.14.8)
+  io-console (0.8.2)
+  irb (1.16.0)
+  json (2.18.0)
+  language_server-protocol (3.17.0.5)
+  lint_roller (1.1.0)
+  listen (3.9.0)
+  logger (1.7.0)
+  lumberjack (1.4.2)
+  method_source (1.1.0)
+  minitest (6.0.1)
+  minitest-reporters (1.7.1)
+  mize (0.6.1)
+  nenv (0.3.0)
+  notiffany (0.1.3)
+  ostruct (0.6.3)
+  parallel (1.27.0)
+  parser (3.3.10.0)
+  pp (0.6.3)
+  prettyprint (0.2.0)
+  prism (1.7.0)
+  pry (0.16.0)
+  psych (5.3.1)
+  racc (1.8.1)
+  rainbow (3.1.1)
+  rake (13.3.1)
+  rb-fsevent (0.11.2)
+  rb-inotify (0.11.1)
+  rb-readline (0.5.5)
+  rdoc (7.0.3)
+  readline (0.0.4)
+  regexp_parser (2.11.3)
+  reline (0.6.3)
+  rubocop (1.82.1)
+  rubocop-ast (1.49.0)
+  rubocop-minitest (0.38.2)
+  rubocop-performance (1.26.1)
+  rubocop-rake (0.7.1)
+  rubocop-rspec (3.8.0)
+  ruby-progressbar (1.13.0)
+  ruby_language_server (0.4.2)
+  securerandom (0.4.1)
+  shellany (0.0.1)
+  sqlite3 (2.9.0-aarch64-linux-musl)
+  stringio (3.2.0)
+  sync (0.5.0)
+  thor (1.4.0)
+  timeout (0.6.0)
+  tins (1.51.0)
+  tsort (0.2.0)
+  tzinfo (2.0.6)
+  unicode-display_width (3.2.0)
+  unicode-emoji (4.2.0)
+  uri (1.1.1)
+
 BUNDLED WITH
-   2.6.8
+  4.0.3
diff --git a/Makefile b/Makefile
index 4c7d0b6..c94b214 100644
--- a/Makefile
+++ b/Makefile
@@ -4,6 +4,9 @@ LOCAL_LINK=-v $(PWD):/tmp/src -w /tmp/src
 image:
 	docker build -t $(PROJECT_NAME) .
 
+force_rebuild_image:
+	docker build --no-cache -t $(PROJECT_NAME) .
+
 guard: image
 	echo > active_record.log
 	docker run -it --rm $(LOCAL_LINK) -e LOG_LEVEL=DEBUG $(PROJECT_NAME) bundle exec guard
diff --git a/lib/ruby_language_server/scope_data/scope.rb b/lib/ruby_language_server/scope_data/scope.rb
index 140e920..09a7b33 100644
--- a/lib/ruby_language_server/scope_data/scope.rb
+++ b/lib/ruby_language_server/scope_data/scope.rb
@@ -24,7 +24,7 @@ class Scope < Base
       # attr_accessor :name            # method
       # attr_accessor :superclass_name # superclass name
 
-      def self.build(parent = nil, type = TYPE_ROOT, name = '', top_line = 1, column = 1, bottom_line = nil)
+      def self.build(parent = nil, type = TYPE_ROOT, name = '', top_line = 1, column = 1, bottom_line = nil) # rubocop:disable Metrics/ParameterLists
         full_name = [parent&.full_name, name].compact.join(JoinHash[type])
         create!(
           parent:,
@@ -62,7 +62,7 @@ def set_superclass_name(partial)
         if partial.start_with?('::')
           self.superclass_name = partial.gsub(/^::/, '')
         else
-          self.superclass_name = [parent ? parent.full_name : nil, partial].compact.join(JoinHash[class_type])
+          self.superclass_name = [parent&.full_name, partial].compact.join(JoinHash[class_type])
         end
         save!
       end
diff --git a/lib/ruby_language_server/scope_parser.rb b/lib/ruby_language_server/scope_parser.rb
index 29117c4..3c8f2ef 100644
--- a/lib/ruby_language_server/scope_parser.rb
+++ b/lib/ruby_language_server/scope_parser.rb
@@ -15,6 +15,7 @@ class PrismProcessor < Prism::Visitor
     include ScopeParserCommands::RspecCommands
     include ScopeParserCommands::RailsCommands
     include ScopeParserCommands::RubyCommands
+
     attr_reader :current_scope, :lines
 
     def initialize(lines = 1, shallow = false)
@@ -441,7 +442,7 @@ def type_is_class_or_module(type)
       [RubyLanguageServer::ScopeData::Base::TYPE_CLASS, RubyLanguageServer::ScopeData::Base::TYPE_MODULE].include?(type)
     end
 
-    def push_scope(type, name, top_line, column, end_line, close_siblings = true)
+    def push_scope(type, name, top_line, column, end_line, close_siblings = true) # rubocop:disable Metrics/ParameterLists
       close_sibling_scopes if close_siblings
       new_scope = ScopeData::Scope.build(@current_scope, type, name, top_line, column, end_line)
       @current_scope = new_scope
diff --git a/ruby_language_server.gemspec b/ruby_language_server.gemspec
index 820e875..9f5c62d 100644
--- a/ruby_language_server.gemspec
+++ b/ruby_language_server.gemspec
@@ -14,7 +14,7 @@ Gem::Specification.new do |spec|
   spec.description   = 'Provide a language server implementation for ruby in ruby.  See https://microsoft.github.io/language-server-protocol/ "A Language Server is meant to provide the language-specific smarts and communicate with development tools over a protocol that enables inter-process communication."'
   spec.homepage      = 'https://github.com/kwerle/ruby_language_server'
   spec.license       = 'MIT'
-  spec.required_ruby_version = '>=4.0.0'
+  spec.required_ruby_version = '>=3.3.0'
 
   # Prevent pushing this gem to RubyGems.org. To allow pushes either set the 'allowed_push_host'
   # to allow pushing to a single host or delete this section to allow pushing to any host.
@@ -35,7 +35,7 @@ Gem::Specification.new do |spec|
   spec.require_paths = ['lib']
 
   # Normally the system will have these - but not if it's a stripped down docker image
-  spec.add_dependency 'activerecord', '~>8.0'
+  spec.add_dependency 'activerecord', '~>8.1'
   spec.add_dependency 'amatch'      # in c
   spec.add_dependency 'bundler'
   spec.add_dependency 'etc'