diff --git a/.gitignore b/.gitignore
index 369ba8e..57fe491 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,6 @@
 *.gem
-Gemfile.lock
\ No newline at end of file
+Gemfile.lock
+.ruby-version
+.ruby-gemset
+# Gladiator (Glimmer Editor)
+.gladiator
diff --git a/ci_ui/Gemfile b/ci_ui/Gemfile
index 663bfe0..19b3b86 100644
--- a/ci_ui/Gemfile
+++ b/ci_ui/Gemfile
@@ -3,4 +3,4 @@
 source 'https://rubygems.org'
 
 gem 'ci_uy'
-gem 'libui'
+gem 'glimmer-dsl-libui'
diff --git a/ci_ui/Gemfile.lock b/ci_ui/Gemfile.lock
index 8dedff2..1684732 100644
--- a/ci_ui/Gemfile.lock
+++ b/ci_ui/Gemfile.lock
@@ -1,15 +1,27 @@
 GEM
   remote: https://rubygems.org/
   specs:
+    array_include_methods (1.4.0)
     ci_uy (1.0.1)
-    libui (0.0.6)
+    color (1.8)
+    facets (3.1.0)
+    glimmer (2.3.0)
+      array_include_methods (~> 1.4.0)
+      facets (>= 3.1.0, < 4.0.0)
+    glimmer-dsl-libui (0.2.10)
+      color (~> 1.8)
+      glimmer (~> 2.3.0)
+      libui (~> 0.0.11)
+      os (>= 1.0.0, < 2.0.0)
+    libui (0.0.11)
+    os (1.1.1)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
   ci_uy
-  libui
+  glimmer-dsl-libui
 
 BUNDLED WITH
-   2.1.4
+   2.2.28
diff --git a/ci_ui/ci_ui.rb b/ci_ui/ci_ui.rb
index 81ac84a..f23c628 100644
--- a/ci_ui/ci_ui.rb
+++ b/ci_ui/ci_ui.rb
@@ -1,63 +1,47 @@
 # frozen_string_literal: true
 
-require 'libui'
+require 'glimmer-dsl-libui'
 require 'ci_uy'
 
-UI = LibUI
-UI.init
-
-MAIN_WINDOW = UI.new_window('Validador de cédulas de identidad 🇺🇾', 400, 90, 1)
-
-# Elements in first tab
-vbox = UI.new_vertical_box
-UI.box_set_padded(vbox, 3)
-UI.window_set_child(MAIN_WINDOW, vbox)
-
-lbl_result = UI.new_label('')
-
-# Callback for validating the number when text is entered
-text_changed_callback = proc do |ptr|
-  input = UI.entry_text(ptr)
-  valid = CiUY.validate(input.to_s)
-  UI.label_set_text(lbl_result, valid ? '✅ - Número Válido' : '❌ - Número no válido')
-end
-
-txt_validate = UI.new_entry
-UI.entry_on_changed(txt_validate, text_changed_callback, nil)
-
-hbox1 = UI.new_vertical_box
-UI.box_append(hbox1, UI.new_label('Ingrese un número de cédula'), 0)
-UI.box_append(hbox1, txt_validate, 1)
-UI.box_append(hbox1, lbl_result, 1)
-
-# Elements in second tab
-hbox2 = UI.new_vertical_box
-btn_random = UI.new_button('Obtener número de cédula al azar')
-txt_random_number = UI.new_entry
-button_clicked_callback = proc do
-  number = CiUY.random.to_s
-  UI.entry_set_text(txt_random_number, number)
-  0
-end
-UI.button_on_clicked(btn_random, button_clicked_callback, nil)
-UI.box_append(hbox2, btn_random, 0)
-UI.box_append(hbox2, txt_random_number, 0)
-
-# Create tab menu and append elements
-tab = UI.new_tab
-UI.tab_append(tab, 'Validador', hbox1)
-UI.tab_append(tab, 'Cédula al azar', hbox2)
-UI.box_append(vbox, tab, 1)
-
-# Show main window
-UI.control_show(MAIN_WINDOW)
-
-# Cleanup when closing
-UI.window_on_closing(MAIN_WINDOW) do
-  UI.control_destroy(MAIN_WINDOW)
-  UI.quit
-  0
-end
-
-UI.main
-UI.quit
+include Glimmer
+
+window('Validador de cédulas de identidad 🇺🇾', 400, 90) {
+  vertical_box {
+    tab {
+      tab_item('Validador') {
+        vertical_box {
+          label('Ingrese un número de cédula') {
+            stretchy false
+          }
+
+          @text_validate = entry {
+            on_changed do
+              input = @text_validate.text
+              valid = CiUY.validate(input.to_s)
+              @lbl_result.text = valid ? '✅ - Número Válido' : '❌ - Número no válido'
+            end
+          }
+
+          @lbl_result = label
+        }
+      }
+
+      tab_item('Cédula al azar') {
+        vertical_box {
+          button('Obtener número de cédula al azar') {
+            stretchy false
+
+            on_clicked do
+              number = CiUY.random.to_s
+              @txt_random_number.text = number
+            end
+          }
+
+          @txt_random_number = entry {
+            stretchy false
+          }
+        }
+      }
+    }
+  }
+}.show