diff --git a/.travis.yml b/.travis.yml
index 6522bb2a..73336583 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -10,6 +10,5 @@ cache:
         - /home/travis/perl5/perlbrew/perls/5.20/lib/site_perl
         - /home/travis/perl5/perlbrew/perls/5.16/lib/site_perl
 before_install :
-   - cpanm -f Data::UUID::LibUUID
 #  - sudo apt-get install libuuid1 uuid-dev raptor2-utils
 
diff --git a/Build.PL b/Build.PL
index 4c25bdf2..091d8ad3 100644
--- a/Build.PL
+++ b/Build.PL
@@ -55,7 +55,7 @@ my $builder = Module::Build::Database->new(
         'YAML::Syck'  => 0,
         'YAML::XS'    => 0,
         'YAML'        => 0,
-        'Data::UUID::LibUUID'  => 0,
+        'UUID::Tiny'  => 0,
         'Rose::DB' => '0.772',
         'Rose::DB::Object' => 0,
         'DBD::Pg' => '3.003',
diff --git a/lib/Tuba.pm b/lib/Tuba.pm
index d5bd0925..5ee7456b 100644
--- a/lib/Tuba.pm
+++ b/lib/Tuba.pm
@@ -61,8 +61,7 @@ use Mojo::Base qw/Mojolicious/;
 use Mojo::ByteStream qw/b/;
 use Tuba::Converter;
 use Tuba::Log;
-use Tuba::Util qw/set_config/;
-use Data::UUID::LibUUID;
+use Tuba::Util qw/set_config new_uuid/;
 use Path::Class qw/file/;
 use strict;
 
@@ -277,9 +276,9 @@ sub startup {
         return $c->render( text => "sorry, max is 1000 at once" ) if $count > 1000;
         $c->res->headers->content_type('text/plain');
         $c->respond_to(
-          text => sub { shift->render( text => ( join "\n", (map new_uuid_string(4), 1..$count) ) ) },
-          html => sub { shift->render( text => ( join "\n", (map new_uuid_string(4), 1..$count) ) ) },
-          json => sub { shift->render( json => [ map new_uuid_string(4), 1..$count ] ) },
+          text => sub { shift->render( text => ( join "\n", (map new_uuid(), 1..$count) ) ) },
+          html => sub { shift->render( text => ( join "\n", (map new_uuid(), 1..$count) ) ) },
+          json => sub { shift->render( json => [ map new_uuid(), 1..$count ] ) },
         );
       } => 'uuid'
     );
diff --git a/lib/Tuba/Array.pm b/lib/Tuba/Array.pm
index a730d064..7ab2ab2f 100644
--- a/lib/Tuba/Array.pm
+++ b/lib/Tuba/Array.pm
@@ -12,7 +12,7 @@ use Path::Class qw/file dir/;
 use File::Basename qw/basename/;
 use Tuba::Log;
 use Tuba::DB::Objects qw/-nicknames/;
-use Data::UUID::LibUUID;
+use Tuba::Util qw[new_uuid];
 use Text::CSV_XS;
 
 =head1 ROUTES
@@ -73,7 +73,7 @@ sub update_rel {
 
 sub create_form {
     my $c = shift;
-    $c->param(identifier => new_uuid_string(4));
+    $c->param(identifier => new_uuid());
     $c->stash(controls => {
             rows => { template => 'grid' }
         });
diff --git a/lib/Tuba/Controller.pm b/lib/Tuba/Controller.pm
index 2a0a9048..6b3e3f2a 100644
--- a/lib/Tuba/Controller.pm
+++ b/lib/Tuba/Controller.pm
@@ -13,11 +13,10 @@ use Tuba::Search;
 use Pg::hstore qw/hstore_encode hstore_decode/;
 use Path::Class qw/file/;
 use Tuba::Log;
-use Tuba::Util qw/nice_db_error show_diffs/;
+use Tuba::Util qw/nice_db_error show_diffs human_duration/;
 use File::Temp;
 use YAML qw/Dump/;
 use Encode qw/encode decode/;
-use Tuba::Util qw/human_duration/;
 use Mojo::Util qw/camelize decamelize/;
 use LWP::UserAgent;
 use HTTP::Request;
diff --git a/lib/Tuba/DB/Mixin/Object/Activity.pm b/lib/Tuba/DB/Mixin/Object/Activity.pm
index d84c58e6..e5d606b4 100644
--- a/lib/Tuba/DB/Mixin/Object/Activity.pm
+++ b/lib/Tuba/DB/Mixin/Object/Activity.pm
@@ -1,10 +1,10 @@
 package Tuba::DB::Object::Activity;
 # Tuba::DB::Mixin::Object::Activity
-use Data::UUID::LibUUID;
+use Tuba::Util qw[new_uuid];
 use strict;
 
 __PACKAGE__->meta->primary_key_generator(sub {
-    return new_uuid_string(4);
+    return new_uuid();
 });
 
 sub stringify {
diff --git a/lib/Tuba/DB/Mixin/Object/Array.pm b/lib/Tuba/DB/Mixin/Object/Array.pm
index 129e3b34..37d0ff48 100644
--- a/lib/Tuba/DB/Mixin/Object/Array.pm
+++ b/lib/Tuba/DB/Mixin/Object/Array.pm
@@ -1,12 +1,12 @@
 package Tuba::DB::Object::Array;
 # Tuba::DB::Mixin::Object::Array;
 use Mojo::ByteStream qw/b/;
-use Data::UUID::LibUUID;
+use Tuba::Util qw[new_uuid];
 use List::Util qw/max/;
 use strict;
 
 __PACKAGE__->meta->primary_key_generator(sub {
-    return new_uuid_string(4);
+    return new_uuid();
 });
 
 sub stringify {
diff --git a/lib/Tuba/DB/Mixin/Object/Book.pm b/lib/Tuba/DB/Mixin/Object/Book.pm
index 5705771f..f4cbb18c 100644
--- a/lib/Tuba/DB/Mixin/Object/Book.pm
+++ b/lib/Tuba/DB/Mixin/Object/Book.pm
@@ -1,10 +1,10 @@
 package Tuba::DB::Object::Book;
 # Tuba::DB::Mixin::Object::Book
-use Data::UUID::LibUUID;
+use Tuba::Util qw[new_uuid];
 use strict;
 
 __PACKAGE__->meta->primary_key_generator(sub {
-    return new_uuid_string(4);
+    return new_uuid();
 });
 
 
diff --git a/lib/Tuba/DB/Mixin/Object/File.pm b/lib/Tuba/DB/Mixin/Object/File.pm
index 50864960..b5aadf37 100644
--- a/lib/Tuba/DB/Mixin/Object/File.pm
+++ b/lib/Tuba/DB/Mixin/Object/File.pm
@@ -2,7 +2,7 @@ package Tuba::DB::Object::File;
 # Tuba::DB::Mixin::Object::File;
 use Mojo::ByteStream qw/b/;
 use Mojo::Parameters;
-use Data::UUID::LibUUID;
+use Tuba::Util qw[new_uuid];
 use Path::Class ();
 use Tuba::Log qw/logger/;
 use Tuba::Util qw/get_config/;
@@ -11,7 +11,7 @@ use Path::Class ();
 use strict;
 
 __PACKAGE__->meta->primary_key_generator(sub {
-    return new_uuid_string(4);
+    return new_uuid();
 });
 
 our %typeMap = (
diff --git a/lib/Tuba/DB/Mixin/Object/Generic.pm b/lib/Tuba/DB/Mixin/Object/Generic.pm
index cac4beaa..4331e96d 100644
--- a/lib/Tuba/DB/Mixin/Object/Generic.pm
+++ b/lib/Tuba/DB/Mixin/Object/Generic.pm
@@ -1,6 +1,6 @@
 package Tuba::DB::Object::Generic;
 # Tuba::DB::Mixin::Object::Generic;
-use Data::UUID::LibUUID;
+use Tuba::Util qw[new_uuid];
 use Pg::hstore;
 use Encode;
 use strict;
@@ -18,7 +18,7 @@ __PACKAGE__->meta->column('attrs')->add_trigger(
     });
 
 __PACKAGE__->meta->primary_key_generator(sub {
-    return new_uuid_string(4);
+    return new_uuid();
 });
 
 
diff --git a/lib/Tuba/DB/Mixin/Object/Image.pm b/lib/Tuba/DB/Mixin/Object/Image.pm
index 7d517625..13687a7b 100644
--- a/lib/Tuba/DB/Mixin/Object/Image.pm
+++ b/lib/Tuba/DB/Mixin/Object/Image.pm
@@ -1,9 +1,9 @@
 package Tuba::DB::Object::Image;
 # Tuba::DB::Mixin::Object::Image;
-use Data::UUID::LibUUID;
+use Tuba::Util qw[new_uuid];
 
 __PACKAGE__->meta->primary_key_generator(sub {
-    return new_uuid_string(4);
+    return new_uuid();
 });
 
 sub stringify {
diff --git a/lib/Tuba/DB/Mixin/Object/ModelRun.pm b/lib/Tuba/DB/Mixin/Object/ModelRun.pm
index 43b0b391..e86cf6f5 100644
--- a/lib/Tuba/DB/Mixin/Object/ModelRun.pm
+++ b/lib/Tuba/DB/Mixin/Object/ModelRun.pm
@@ -1,9 +1,9 @@
 package Tuba::DB::Object::ModelRun;
 # Tuba::DB::Mixin::Object::ModelRun;
-use Data::UUID::LibUUID;
+use Tuba::Util qw[new_uuid];
 
 __PACKAGE__->meta->primary_key_generator(sub {
-    return new_uuid_string(4);
+    return new_uuid();
 });
 
 1;
diff --git a/lib/Tuba/DB/Mixin/Object/Webpage.pm b/lib/Tuba/DB/Mixin/Object/Webpage.pm
index 8c683f47..11af6343 100644
--- a/lib/Tuba/DB/Mixin/Object/Webpage.pm
+++ b/lib/Tuba/DB/Mixin/Object/Webpage.pm
@@ -1,10 +1,10 @@
 package Tuba::DB::Object::Webpage;
 # Tuba::DB::Mixin::Object::Webpage
-use Data::UUID::LibUUID;
+use Tuba::Util qw[new_uuid];
 use strict;
 
 __PACKAGE__->meta->primary_key_generator(sub {
-    return new_uuid_string(4);
+    return new_uuid();
 });
 
 
diff --git a/lib/Tuba/Image.pm b/lib/Tuba/Image.pm
index 8786504f..b6531069 100644
--- a/lib/Tuba/Image.pm
+++ b/lib/Tuba/Image.pm
@@ -12,7 +12,7 @@ use Path::Class qw/file dir/;
 use File::Basename qw/basename/;
 use Tuba::Log;
 use Tuba::DB::Objects qw/-nicknames/;
-use Data::UUID::LibUUID;
+use Tuba::Util qw[new_uuid];
 
 =head1 ROUTES
 
@@ -72,7 +72,7 @@ sub update_rel {
 
 sub create_form {
     my $c = shift;
-    $c->param(identifier => new_uuid_string(4));
+    $c->param(identifier => new_uuid());
     return $c->SUPER::create_form(@_);
 }
 
diff --git a/lib/Tuba/Reference.pm b/lib/Tuba/Reference.pm
index e4b98381..ec976540 100644
--- a/lib/Tuba/Reference.pm
+++ b/lib/Tuba/Reference.pm
@@ -9,7 +9,7 @@ use Mojo::Base qw/Tuba::Controller/;
 use Tuba::DB::Objects qw/-nicknames/;
 use Rose::DB::Object::Util qw/:all/;
 use Tuba::Log qw/logger/;;
-use Data::UUID::LibUUID;
+use Tuba::Util qw[new_uuid];
 
 sub list {
     my $c = shift;
@@ -349,7 +349,7 @@ sub set_title {
 
 sub create_form {
     my $c = shift;
-    $c->param(identifier => new_uuid_string(4));
+    $c->param(identifier => new_uuid());
     return $c->SUPER::create_form(@_);
 }
 
diff --git a/lib/Tuba/Util.pm b/lib/Tuba/Util.pm
index 1ec843d1..15dd2d88 100644
--- a/lib/Tuba/Util.pm
+++ b/lib/Tuba/Util.pm
@@ -11,8 +11,9 @@ use Mojo::ByteStream qw/b/;
 use Mojo::Util qw/xml_escape/;
 use Encode qw/decode/;
 use DateTime::Format::Human::Duration;
+use UUID::Tiny qw/:std/;
 
-our @EXPORT_OK = qw/nice_db_error set_config get_config show_diffs elide_str human_duration/;
+our @EXPORT_OK = qw/nice_db_error set_config get_config show_diffs elide_str human_duration new_uuid/;
 
 sub nice_db_error {
     my $err = shift or return;
@@ -60,5 +61,9 @@ sub human_duration {
     return DateTime::Format::Human::Duration->new()->format_duration($d);
 }
 
+sub new_uuid {
+    return create_uuid_as_string(UUID_V4);
+}
+
 1;