diff --git a/lib/puppet/transport/cisco_ios.rb b/lib/puppet/transport/cisco_ios.rb
index 05219ebd..9f15e769 100644
--- a/lib/puppet/transport/cisco_ios.rb
+++ b/lib/puppet/transport/cisco_ios.rb
@@ -55,7 +55,7 @@ def create_connection
                                  password: config[:password].unwrap,
                                  port: config[:port] || 22,
                                  timeout: config[:timeout] || 30,
-                                 verify_host_key => false,
+                                 verify_host_key => :never,
                                  user_known_hosts_file: known_hosts_file,
                                  append_all_supported_algorithms: true)
                 else
@@ -64,7 +64,7 @@ def create_connection
                                  password: config[:password].unwrap,
                                  port: config[:port] || 22,
                                  timeout: config[:timeout] || 30,
-                                 verify_host_key => :very,
+                                 verify_host_key => :accept_new,
                                  user_known_hosts_file: known_hosts_file,
                                  append_all_supported_algorithms: true)
                 end
diff --git a/lib/puppet_x/puppetlabs/cisco_ios/utility.rb b/lib/puppet_x/puppetlabs/cisco_ios/utility.rb
index 2c7aeef4..8ab478a7 100644
--- a/lib/puppet_x/puppetlabs/cisco_ios/utility.rb
+++ b/lib/puppet_x/puppetlabs/cisco_ios/utility.rb
@@ -9,7 +9,11 @@ class Utility
     def self.load_yaml(full_path, replace_double_escapes = true)
       raise "File #{full_path} doesn't exist." unless File.exist?(full_path)
       yaml_file = File.read(full_path)
-      data_hash = YAML.safe_load(yaml_file, [Symbol])
+      if Gem::Version.new(Psych::VERSION) >= Gem::Version.new("3.1.0.pre1")
+        data_hash = YAML.safe_load(yaml_file, permitted_classes: [Symbol])
+      else
+        data_hash = YAML.safe_load(yaml_file, [Symbol])
+      end
       data_hash = replace_double_escapes(data_hash) if replace_double_escapes
       data_hash
     end
diff --git a/manifests/install/agent.pp b/manifests/install/agent.pp
index dbe80ae8..2975ffe4 100644
--- a/manifests/install/agent.pp
+++ b/manifests/install/agent.pp
@@ -9,7 +9,7 @@
     provider => 'puppet_gem',
   }
 
-  if versioncmp($facts['rubyversion'], '2.3.0') < 0 {
+  if versioncmp($facts['ruby']['version'], '2.3.0') < 0 {
     package { 'backport_dig':
       ensure   => present,
       provider => 'puppet_gem',
diff --git a/metadata.json b/metadata.json
index a7aeecc9..5af8c7b4 100644
--- a/metadata.json
+++ b/metadata.json
@@ -36,7 +36,7 @@
   "requirements": [
     {
       "name": "puppet",
-      "version_requirement": ">= 6.0.0 < 7.0.0"
+      "version_requirement": ">= 6.0.0 < 8.0.0"
     }
   ],
   "tags": [