diff --git a/themes/grav/templates/partials/plugins-details.html.twig b/themes/grav/templates/partials/plugins-details.html.twig
index 46bac4a1..299aaf88 100644
--- a/themes/grav/templates/partials/plugins-details.html.twig
+++ b/themes/grav/templates/partials/plugins-details.html.twig
@@ -57,14 +57,12 @@
 {% else %}
     <div class="button-bar success">
         {% if (plugin.premium and not admin.license(plugin.slug)) %}
-            {% if plugin.premium.checkout_url %}
-                <a class="button" href="{{ plugin.premium.checkout_url }}" target="_blank"><i class="fa fa-shopping-cart"></i> {{ plugin.premium.button|default('Purchase') }}</a>
-            {% else %}
-                {% if not gumroad_loaded %}
-                    {% set gumroad_loaded = true %}
-                    <script src="//gumroad.com/js/gumroad.js"></script>
-                {% endif %}
-                <a class="gumroad-button button" href="https://gum.co/{{ plugin.premium.permalink }}" target="_blank" data-gumroad-single-product="true"><i class="fa fa-shopping-cart"></i> {{ plugin.premium.button|default('Purchase') }}</a>
+            {% set permalink = plugin.premium.permalink|default(null) %}
+            {% if permalink %}
+                {% set checkout_url = 'https://licensing.getgrav.org/buy/' ~ permalink %}
+                {% set success_url = 'https://licensing.getgrav.org/portal?checkout=success&checkout_id={CHECKOUT_ID}' %}
+                {% set final_checkout_url = checkout_url ~ '?success_url=' ~ success_url|url_encode %}
+                <a class="button" href="{{ final_checkout_url }}" target="_blank"><i class="fa fa-shopping-cart"></i> {{ plugin.premium.button|default('Purchase') }}</a>
             {% endif %}
         {% else %}
             <a class="button" href="#" data-remodal-target="add-package" data-packages-slugs="{{ plugin.slug }}" data-plugin-action="start-package-installation"><i class="fa fa-plus"></i> {{ "PLUGIN_ADMIN.INSTALL_PLUGIN"|t }}</a>
diff --git a/themes/grav/templates/partials/plugins-list.html.twig b/themes/grav/templates/partials/plugins-list.html.twig
index b1fe9826..d0ce2edd 100644
--- a/themes/grav/templates/partials/plugins-list.html.twig
+++ b/themes/grav/templates/partials/plugins-list.html.twig
@@ -49,14 +49,12 @@
                     </a>
                 {% elseif (installing) %}
                     {% if (plugin.premium and not admin.license(plugin.slug)) %}
-                        {% if plugin.premium.checkout_url %}
-                            <a class="button" href="{{ plugin.premium.checkout_url }}" target="_blank"><i class="fa fa-shopping-cart"></i> {{ plugin.premium.button|default('Purchase') }}</a>
-                        {% else %}
-                            {% if not gumroad_loaded %}
-                                {% set gumroad_loaded = true %}
-                                <script src="//gumroad.com/js/gumroad.js"></script>
-                            {% endif %}
-                            <a class="gumroad-button button" href="https://gum.co/{{ plugin.premium.permalink }}" target="_blank" data-gumroad-single-product="true"><i class="fa fa-shopping-cart"></i> {{ plugin.premium.button|default('Purchase') }}</a>
+                        {% set permalink = plugin.premium.permalink|default(null) %}
+                        {% if permalink %}
+                            {% set checkout_url = 'https://licensing.getgrav.org/buy/' ~ permalink %}
+                            {% set success_url = 'https://licensing.getgrav.org/portal?checkout=success&checkout_id={CHECKOUT_ID}' %}
+                            {% set final_checkout_url = checkout_url ~ '?success_url=' ~ success_url|url_encode %}
+                            <a class="button" href="{{ final_checkout_url }}" target="_blank"><i class="fa fa-shopping-cart"></i> {{ plugin.premium.button|default('Purchase') }}</a>
                         {% endif %}
                     {% else %}
                       <a class="button" href="#" data-remodal-target="add-package" data-packages-slugs="{{ plugin.slug }}" data-plugin-action="start-package-installation"><i class="fa fa-plus"></i> {{ "PLUGIN_ADMIN.INSTALL"|t }}</a>
diff --git a/themes/grav/templates/partials/themes-details.html.twig b/themes/grav/templates/partials/themes-details.html.twig
index 8bc97b21..a26a3d96 100644
--- a/themes/grav/templates/partials/themes-details.html.twig
+++ b/themes/grav/templates/partials/themes-details.html.twig
@@ -141,14 +141,12 @@
 {% else %}
     <div class="button-bar success">
         {% if (theme.premium and not admin.license(theme.slug)) %}
-            {% if theme.premium.checkout_url %}
-                <a class="button" href="{{ theme.premium.checkout_url }}" target="_blank"><i class="fa fa-shopping-cart"></i> {{ theme.premium.button|default('Purchase') }}</a>
-            {% else %}
-                {% if not gumroad_loaded %}
-                    {% set gumroad_loaded = true %}
-                    <script src="//gumroad.com/js/gumroad.js"></script>
-                {% endif %}
-                <a class="gumroad-button button" href="https://gum.co/{{ theme.premium.permalink }}" target="_blank" data-gumroad-single-product="true"><i class="fa fa-shopping-cart"></i> {{ theme.premium.button|default('Purchase') }}</a>
+            {% set permalink = theme.premium.permalink|default(null) %}
+            {% if permalink %}
+                {% set checkout_url = 'https://licensing.getgrav.org/buy/' ~ permalink %}
+                {% set success_url = 'https://licensing.getgrav.org/portal?checkout=success&checkout_id={CHECKOUT_ID}' %}
+                {% set final_checkout_url = checkout_url ~ '?success_url=' ~ success_url|url_encode %}
+                <a class="button" href="{{ final_checkout_url }}" target="_blank"><i class="fa fa-shopping-cart"></i> {{ theme.premium.button|default('Purchase') }}</a>
             {% endif %}
         {% else %}
             <a class="button" href="#" data-remodal-target="add-package" data-packages-slugs="{{ theme.slug }}" data-theme-action="start-package-installation"><i class="fa fa-plus"></i> {{ "PLUGIN_ADMIN.INSTALL_THEME"|t }}</a>
diff --git a/themes/grav/templates/partials/themes-list.html.twig b/themes/grav/templates/partials/themes-list.html.twig
index 90751d0f..8005c742 100644
--- a/themes/grav/templates/partials/themes-list.html.twig
+++ b/themes/grav/templates/partials/themes-list.html.twig
@@ -51,14 +51,12 @@
             {% if (state == 'installing') %}
                 <div class="gpm-actions">
                     {% if (theme.premium and not admin.license(theme.slug)) %}
-                        {% if theme.premium.checkout_url %}
-                            <a class="button" href="{{ theme.premium.checkout_url }}" target="_blank"><i class="fa fa-shopping-cart"></i> {{ theme.premium.button|default('Purchase') }}</a>
-                        {% else %}
-                            {% if not gumroad_loaded %}
-                                {% set gumroad_loaded = true %}
-                                <script src="//gumroad.com/js/gumroad.js"></script>
-                            {% endif %}
-                            <a class="gumroad-button button" href="https://gum.co/{{ theme.premium.permalink }}" target="_blank" data-gumroad-single-product="true"><i class="fa fa-shopping-cart"></i> {{ theme.premium.button|default('Purchase') }}</a>
+                        {% set permalink = theme.premium.permalink|default(null) %}
+                        {% if permalink %}
+                            {% set checkout_url = 'https://licensing.getgrav.org/buy/' ~ permalink %}
+                            {% set success_url = 'https://licensing.getgrav.org/portal?checkout=success&checkout_id={CHECKOUT_ID}' %}
+                            {% set final_checkout_url = checkout_url ~ '?success_url=' ~ success_url|url_encode %}
+                            <a class="button" href="{{ final_checkout_url }}" target="_blank"><i class="fa fa-shopping-cart"></i> {{ theme.premium.button|default('Purchase') }}</a>
                         {% endif %}
                     {% else %}
                         <a class="button" href="#" data-remodal-target="add-package" data-packages-slugs="{{ slug }}" data-theme-action="start-package-installation"><i class="fa fa-plus"></i> {{ "PLUGIN_ADMIN.INSTALL"|t }}</a>