diff --git a/.github/workflows/moodle-ci.yml b/.github/workflows/moodle-ci.yml
index c3985b3f..77a186c5 100644
--- a/.github/workflows/moodle-ci.yml
+++ b/.github/workflows/moodle-ci.yml
@@ -29,11 +29,11 @@ jobs:
       matrix:
         include:
           - php: '7.3'
-            moodle-branch: 'master' # TODO change to MOODLE_400_STABLE when released
+            moodle-branch: 'MOODLE_400_STABLE'
             database: pgsql
             extensions:
           - php: '8.0'
-            moodle-branch: 'master' # TODO change to MOODLE_400_STABLE when released
+            moodle-branch: 'MOODLE_400_STABLE'
             database: mariadb
             extensions: xmlrpc-beta
 
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 0fcda96d..1dbc79f1 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -10,7 +10,7 @@ variables:
   MOODLE_REPO_WORKPLACE: git@git.in.moodle.com:workplace/workplacedev.git
   MOODLE_BRANCH_WORKPLACE: master
   MOODLE_REPO_LMS: git@git.in.moodle.com:moodle/moodle.git
-  MOODLE_BRANCH_LMS: master # TODO change to MOODLE_400_STABLE when released
+  MOODLE_BRANCH_LMS: MOODLE_400_STABLE
   MOODLE_BEHAT_WDHOST: "http://selenium-standalone-chrome:4444/wd/hub"
   POSTGRES_USER: postgres
   POSTGRES_PASSWORD: ""
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9080f733..3a262cda 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## 4.0.0 (2022042000)
+### Changed
+- This version of the plugin is only for Moodle LMS 4.0 and above
+
 ## 3.11.6 (2022031500)
 ### Added
 - Setting 'Show share on LinkedIn'. When enabled users can add their certificates to LinkedIn
diff --git a/element/border/version.php b/element/border/version.php
index 9d36a5e5..b661e8a7 100644
--- a/element/border/version.php
+++ b/element/border/version.php
@@ -26,7 +26,7 @@
 
 // This plugin is part of Moodle Workplace product.
 $plugin->component    = 'certificateelement_border';
-$plugin->release      = '3.11.5';
-$plugin->version      = 2022011800;
-$plugin->requires     = 2020061502.00;
+$plugin->release      = '4.0.0';
+$plugin->version      = 2022042000;
+$plugin->requires     = 2022041900.00;
 $plugin->maturity     = MATURITY_STABLE;
diff --git a/element/code/version.php b/element/code/version.php
index 28415189..8582a77d 100644
--- a/element/code/version.php
+++ b/element/code/version.php
@@ -26,7 +26,7 @@
 
 // This plugin is part of Moodle Workplace product.
 $plugin->component    = 'certificateelement_code';
-$plugin->release      = '3.11.5';
-$plugin->version      = 2022011800;
-$plugin->requires     = 2020061502.00;
+$plugin->release      = '4.0.0';
+$plugin->version      = 2022042000;
+$plugin->requires     = 2022041900.00;
 $plugin->maturity     = MATURITY_STABLE;
diff --git a/element/date/version.php b/element/date/version.php
index fb3fc1b2..8179ca13 100644
--- a/element/date/version.php
+++ b/element/date/version.php
@@ -26,7 +26,7 @@
 
 // This plugin is part of Moodle Workplace product.
 $plugin->component    = 'certificateelement_date';
-$plugin->release      = '3.11.5';
-$plugin->version      = 2022011800;
-$plugin->requires     = 2020061502.00;
+$plugin->release      = '4.0.0';
+$plugin->version      = 2022042000;
+$plugin->requires     = 2022041900.00;
 $plugin->maturity     = MATURITY_STABLE;
diff --git a/element/digitalsignature/version.php b/element/digitalsignature/version.php
index 7fb11e7f..21d2595c 100644
--- a/element/digitalsignature/version.php
+++ b/element/digitalsignature/version.php
@@ -26,7 +26,7 @@
 
 // This plugin is part of Moodle Workplace product.
 $plugin->component    = 'certificateelement_digitalsignature';
-$plugin->release      = '3.11.5';
-$plugin->version      = 2022011800;
-$plugin->requires     = 2020061502.00;
+$plugin->release      = '4.0.0';
+$plugin->version      = 2022042000;
+$plugin->requires     = 2022041900.00;
 $plugin->maturity     = MATURITY_STABLE;
diff --git a/element/image/version.php b/element/image/version.php
index ee237240..9cad0fde 100644
--- a/element/image/version.php
+++ b/element/image/version.php
@@ -26,7 +26,7 @@
 
 // This plugin is part of Moodle Workplace product.
 $plugin->component    = 'certificateelement_image';
-$plugin->release      = '3.11.5';
-$plugin->version      = 2022011800;
-$plugin->requires     = 2020061502.00;
+$plugin->release      = '4.0.0';
+$plugin->version      = 2022042000;
+$plugin->requires     = 2022041900.00;
 $plugin->maturity     = MATURITY_STABLE;
diff --git a/element/program/version.php b/element/program/version.php
index bed145f7..05713161 100644
--- a/element/program/version.php
+++ b/element/program/version.php
@@ -26,7 +26,7 @@
 
 // This plugin is part of Moodle Workplace product.
 $plugin->component    = 'certificateelement_program';
-$plugin->release      = '3.11.5';
-$plugin->version      = 2022011800;
-$plugin->requires     = 2020061502.00;
+$plugin->release      = '4.0.0';
+$plugin->version      = 2022042000;
+$plugin->requires     = 2022041900.00;
 $plugin->maturity     = MATURITY_STABLE;
diff --git a/element/text/version.php b/element/text/version.php
index 21ff5894..17e2f6ce 100644
--- a/element/text/version.php
+++ b/element/text/version.php
@@ -26,7 +26,7 @@
 
 // This plugin is part of Moodle Workplace product.
 $plugin->component    = 'certificateelement_text';
-$plugin->release      = '3.11.5';
-$plugin->version      = 2022011800;
-$plugin->requires     = 2020061502.00;
+$plugin->release      = '4.0.0';
+$plugin->version      = 2022042000;
+$plugin->requires     = 2022041900.00;
 $plugin->maturity     = MATURITY_STABLE;
diff --git a/element/userfield/version.php b/element/userfield/version.php
index dc01aef5..6cffe2d0 100644
--- a/element/userfield/version.php
+++ b/element/userfield/version.php
@@ -26,7 +26,7 @@
 
 // This plugin is part of Moodle Workplace product.
 $plugin->component    = 'certificateelement_userfield';
-$plugin->release      = '3.11.5';
-$plugin->version      = 2022011800;
-$plugin->requires     = 2020061502.00;
+$plugin->release      = '4.0.0';
+$plugin->version      = 2022042000;
+$plugin->requires     = 2022041900.00;
 $plugin->maturity     = MATURITY_STABLE;
diff --git a/element/userpicture/version.php b/element/userpicture/version.php
index d83b5fdf..996960d6 100644
--- a/element/userpicture/version.php
+++ b/element/userpicture/version.php
@@ -26,7 +26,7 @@
 
 // This plugin is part of Moodle Workplace product.
 $plugin->component    = 'certificateelement_userpicture';
-$plugin->release      = '3.11.5';
-$plugin->version      = 2022011800;
-$plugin->requires     = 2020061502.00;
+$plugin->release      = '4.0.0';
+$plugin->version      = 2022042000;
+$plugin->requires     = 2022041900.00;
 $plugin->maturity     = MATURITY_STABLE;
diff --git a/version.php b/version.php
index 83ab7978..c704e2ce 100644
--- a/version.php
+++ b/version.php
@@ -25,8 +25,8 @@
 defined('MOODLE_INTERNAL') || die();
 
 $plugin->component    = 'tool_certificate';
-$plugin->release      = '4.0dev';
-$plugin->version      = 2022031900;
-$plugin->requires     = 2022030800.00;
+$plugin->release      = '4.0.0';
+$plugin->version      = 2022042000;
+$plugin->requires     = 2022041900.00;
 $plugin->maturity     = MATURITY_STABLE;
 $plugin->supported    = [400, 400];