diff --git a/ruby-shadow.gemspec b/chef-ruby-shadow.gemspec
similarity index 86%
rename from ruby-shadow.gemspec
rename to chef-ruby-shadow.gemspec
index 52a6cd3..234cdaa 100644
--- a/ruby-shadow.gemspec
+++ b/chef-ruby-shadow.gemspec
@@ -16,9 +16,9 @@ Gem::Specification.new do |spec|
     spec.files << file.chomp
   end
   spec.homepage              = 'https://github.com/apalmblad/ruby-shadow'
-  spec.name                  = 'ruby-shadow'
-  spec.required_ruby_version = ['>= 1.8']
+  spec.name                  = 'chef-ruby-shadow'
+  spec.required_ruby_version = ['>= 3.0']
   spec.summary               = '*nix Shadow Password Module'
-  spec.version               = '2.5.1'
+  spec.version               = '3.0.0'
   spec.license  = "Unlicense"
 end
diff --git a/extconf.rb b/extconf.rb
index d17f926..6f43ae2 100644
--- a/extconf.rb
+++ b/extconf.rb
@@ -1,7 +1,7 @@
 #                                          -*- ruby -*-
 # extconf.rb
 #
-# Modified at: <1999/8/19 06:38:55 by ttate> 
+# Modified at: <1999/8/19 06:38:55 by ttate>
 #
 
 require 'mkmf'
@@ -14,7 +14,7 @@
           else; ''
           end
 
-implementation = case CONFIG['host_os']
+implementation = case RbConfig::CONFIG['host_os']
                  when /linux/i; 'shadow'
                  when /sunos|solaris/i; 'shadow'
                  when /freebsd|mirbsd|netbsd|openbsd/i; 'pwd'
diff --git a/pwd/shadow.c b/pwd/shadow.c
index eeb96d4..46313d4 100644
--- a/pwd/shadow.c
+++ b/pwd/shadow.c
@@ -56,8 +56,8 @@ static VALUE convert_pw_struct( struct passwd *entry )
 {
   /* Hmm. Why custom pw_change instead of sp_lstchg? */
   return rb_struct_new(rb_sPasswdEntry,
-         rb_tainted_str_new2(entry->pw_name), /* sp_namp */
-         rb_tainted_str_new2(entry->pw_passwd), /* sp_pwdp, encryped password */
+         rb_str_new2(entry->pw_name), /* sp_namp */
+         rb_str_new2(entry->pw_passwd), /* sp_pwdp, encryped password */
          Qnil, /* sp_lstchg, date when the password was last changed (in days since Jan 1, 1970) */
          Qnil, /* sp_min, days that password must stay same */
          Qnil, /* sp_max, days until password changes. */
@@ -66,7 +66,7 @@ static VALUE convert_pw_struct( struct passwd *entry )
          INT2FIX(difftime(entry->pw_change, 0) / (24*60*60)), /* pw_change */
          INT2FIX(difftime(entry->pw_expire, 0) / (24*60*60)), /* sp_expire */
          Qnil, /* sp_flag */
-         rb_tainted_str_new2(entry->pw_class), /* sp_loginclass, user access class */
+         rb_str_new2(entry->pw_class), /* sp_loginclass, user access class */
          NULL);
 }
 
diff --git a/shadow/shadow.c b/shadow/shadow.c
index 35a77a1..9d02310 100644
--- a/shadow/shadow.c
+++ b/shadow/shadow.c
@@ -31,11 +31,11 @@ static VALUE rb_sGroupEntry;
 static VALUE rb_eFileLock;
 
 
-static VALUE convert_pw_struct( struct spwd *entry ) 
+static VALUE convert_pw_struct( struct spwd *entry )
 {
   return rb_struct_new(rb_sPasswdEntry,
-		      rb_tainted_str_new2(entry->sp_namp),
-		      rb_tainted_str_new2(entry->sp_pwdp),
+		      rb_str_new2(entry->sp_namp),
+		      rb_str_new2(entry->sp_pwdp),
 		      INT2FIX(entry->sp_lstchg),
 		      INT2FIX(entry->sp_min),
 		      INT2FIX(entry->sp_max),