diff --git a/CHANGELOG b/CHANGELOG
index fe98106..0a13795 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,6 @@
+* Mon Aug 28 2023 Steven Pritchard <steve@sicura.us> - 0.11.0
+- Add support for Puppet 8, Ruby 3, and stdlib 9
+
 * Wed Aug 23 2023 Steven Pritchard <steve@sicura.us> - 0.10.0
 - Add AlmaLinux 8 support
 
diff --git a/Gemfile b/Gemfile
index 57fca16..fdc7aa8 100644
--- a/Gemfile
+++ b/Gemfile
@@ -11,7 +11,7 @@ ENV['PDK_DISABLE_ANALYTICS'] ||= 'true'
 gem_sources.each { |gem_source| source gem_source }
 
 group :test do
-  puppet_version = ENV['PUPPET_VERSION'] || '~> 7'
+  puppet_version = ENV['PUPPET_VERSION'] || '~> 8'
   major_puppet_version = puppet_version.scan(/(\d+)(?:\.|\Z)/).flatten.first.to_i
   gem 'rake'
   gem 'puppet', puppet_version
@@ -22,9 +22,9 @@ group :test do
   gem 'metadata-json-lint'
   gem 'puppet-strings'
   gem 'puppet-lint-trailing_comma-check', :require => false
-  gem 'simp-rspec-puppet-facts', ENV['SIMP_RSPEC_PUPPET_FACTS_VERSION'] || '~> 3.1'
+  gem 'simp-rspec-puppet-facts', ENV['SIMP_RSPEC_PUPPET_FACTS_VERSION'] || '~> 3.7'
   gem 'simp-rake-helpers', ENV['SIMP_RAKE_HELPERS_VERSION'] || ['>= 5.12.1', '< 6']
-  gem( 'pdk', ENV['PDK_VERSION'] || '~> 2.0', :require => false) if major_puppet_version > 5
+  gem( 'pdk', ENV['PDK_VERSION'] || ['>= 2.0', '< 4.0'], :require => false) if major_puppet_version > 5
   gem 'pathspec', '~> 0.2' if Gem::Requirement.create('< 2.6').satisfied_by?(Gem::Version.new(RUBY_VERSION.dup))
 end
 
diff --git a/lib/puppet/functions/simpkv/support/load.rb b/lib/puppet/functions/simpkv/support/load.rb
index 898bbe3..2a1c942 100644
--- a/lib/puppet/functions/simpkv/support/load.rb
+++ b/lib/puppet/functions/simpkv/support/load.rb
@@ -18,7 +18,7 @@ def load
       # 'simpkv' attribute to the catalog instance
       lib_dir = File.dirname(File.dirname(File.dirname(File.dirname(File.dirname("#{__FILE__}")))))
       filename = File.join(lib_dir, 'puppet_x', 'simpkv', 'loader.rb')
-      if File.exists?(filename)
+      if File.exist?(filename)
         begin
           catalog.instance_eval(File.read(filename), filename)
         rescue SyntaxError => e
diff --git a/metadata.json b/metadata.json
index 9bccafb..fd0cd79 100644
--- a/metadata.json
+++ b/metadata.json
@@ -1,6 +1,6 @@
 {
   "name": "simp-simpkv",
-  "version": "0.10.0",
+  "version": "0.11.0",
   "author": "simp",
   "summary": "SIMPkv providers",
   "license": "Apache-2.0",
@@ -14,7 +14,7 @@
   "dependencies": [
     {
       "name": "puppetlabs/stdlib",
-      "version_requirement": ">= 8.0.0 < 9.0.0"
+      "version_requirement": ">= 8.0.0 < 10.0.0"
     }
   ],
   "operatingsystem_support": [
@@ -54,7 +54,7 @@
   "requirements": [
     {
       "name": "puppet",
-      "version_requirement": ">= 6.22.1 < 8.0.0"
+      "version_requirement": ">= 6.22.1 < 9.0.0"
     }
   ]
 }
diff --git a/spec/functions/simpkv/delete_spec.rb b/spec/functions/simpkv/delete_spec.rb
index e761f86..af9c3a8 100644
--- a/spec/functions/simpkv/delete_spec.rb
+++ b/spec/functions/simpkv/delete_spec.rb
@@ -141,7 +141,7 @@
     end
 
     it 'should fail when simpkv cannot be added to the catalog instance' do
-      allow(File).to receive(:exists?).and_return(false)
+      allow(File).to receive(:exist?).and_return(false)
       is_expected.to run.with_params('mykey', @options_test_file).
         and_raise_error(LoadError, /simpkv Internal Error: unable to load/)
     end
diff --git a/spec/functions/simpkv/deletetree_spec.rb b/spec/functions/simpkv/deletetree_spec.rb
index 0f5c01f..dc53dec 100644
--- a/spec/functions/simpkv/deletetree_spec.rb
+++ b/spec/functions/simpkv/deletetree_spec.rb
@@ -152,7 +152,7 @@
     end
 
     it 'should fail when simpkv cannot be added to the catalog instance' do
-      allow(File).to receive(:exists?).and_return(false)
+      allow(File).to receive(:exist?).and_return(false)
       is_expected.to run.with_params(keydir, @options_test_file).
         and_raise_error(LoadError, /simpkv Internal Error: unable to load/)
     end
diff --git a/spec/functions/simpkv/exists_spec.rb b/spec/functions/simpkv/exists_spec.rb
index d11f1e7..47dbc14 100644
--- a/spec/functions/simpkv/exists_spec.rb
+++ b/spec/functions/simpkv/exists_spec.rb
@@ -149,7 +149,7 @@
     end
 
     it 'should fail when simpkv cannot be added to the catalog instance' do
-      allow(File).to receive(:exists?).and_return(false)
+      allow(File).to receive(:exist?).and_return(false)
       is_expected.to run.with_params('mykey', @options_test_file).
         and_raise_error(LoadError, /simpkv Internal Error: unable to load/)
     end
diff --git a/spec/functions/simpkv/get_spec.rb b/spec/functions/simpkv/get_spec.rb
index 48e1919..c4272de 100644
--- a/spec/functions/simpkv/get_spec.rb
+++ b/spec/functions/simpkv/get_spec.rb
@@ -153,7 +153,7 @@
     end
 
     it 'should fail when simpkv cannot be added to the catalog instance' do
-      allow(File).to receive(:exists?).and_return(false)
+      allow(File).to receive(:exist?).and_return(false)
       is_expected.to run.with_params('mykey', @options_test_file).
         and_raise_error(LoadError, /simpkv Internal Error: unable to load/)
     end
diff --git a/spec/functions/simpkv/list_spec.rb b/spec/functions/simpkv/list_spec.rb
index ef92b69..fa0c404 100644
--- a/spec/functions/simpkv/list_spec.rb
+++ b/spec/functions/simpkv/list_spec.rb
@@ -174,7 +174,7 @@ def prepopulate_key_files(root_dir, keydir)
     end
 
     it 'should fail when simpkv cannot be added to the catalog instance' do
-      allow(File).to receive(:exists?).and_return(false)
+      allow(File).to receive(:exist?).and_return(false)
       is_expected.to run.with_params(keydir, @options_test_file).
         and_raise_error(LoadError, /simpkv Internal Error: unable to load/)
     end
diff --git a/spec/functions/simpkv/put_spec.rb b/spec/functions/simpkv/put_spec.rb
index aaeaf0a..a097efe 100644
--- a/spec/functions/simpkv/put_spec.rb
+++ b/spec/functions/simpkv/put_spec.rb
@@ -136,7 +136,7 @@
     end
 
     it 'should fail when simpkv cannot be added to the catalog instance' do
-      allow(File).to receive(:exists?).and_return(false)
+      allow(File).to receive(:exist?).and_return(false)
       is_expected.to run.with_params('mykey', 'myvalue' , {}, @options_test_file).
         and_raise_error(LoadError, /simpkv Internal Error: unable to load/)
     end
diff --git a/spec/functions/simpkv/support/load_spec.rb b/spec/functions/simpkv/support/load_spec.rb
index b2412e0..9bfc090 100644
--- a/spec/functions/simpkv/support/load_spec.rb
+++ b/spec/functions/simpkv/support/load_spec.rb
@@ -29,8 +29,8 @@
   end
 
   it 'should fail when simpkv.rb does not exist' do
-    allow(File).to receive(:exists?).with(any_args).and_call_original
-    allow(File).to receive(:exists?).with(/simpkv\/loader.rb/).and_return(false)
+    allow(File).to receive(:exist?).with(any_args).and_call_original
+    allow(File).to receive(:exist?).with(/simpkv\/loader.rb/).and_return(false)
     is_expected.to run.with_params().and_raise_error(LoadError, /simpkv Internal Error: unable to load .* File not found/)
   end