diff --git a/Installer.php b/Installer.php
index ec97a3b..399e511 100644
--- a/Installer.php
+++ b/Installer.php
@@ -260,6 +260,8 @@ protected function getDownloadUrl( PackageInterface $package ) {
 			default:
 				if ( 0 === strpos( $package_name, 'junaidbhura/gravityforms' ) ) {
 					$plugin = new Plugins\GravityForms( $package->getPrettyVersion(), str_replace( 'junaidbhura/', '', $package_name ) );
+				} elseif ( 0 === strpos( $package_name, 'junaidbhura/publishpress-' ) ) {
+					$plugin = new Plugins\PublishPressPro( $package->getPrettyVersion(), str_replace( 'junaidbhura/', '', $package_name ) );
 				} elseif ( 0 === strpos( $package_name, 'junaidbhura/wpai-' ) || 0 === strpos( $package_name, 'junaidbhura/wpae-' ) ) {
 					$plugin = new Plugins\WpAiPro( $package->getPrettyVersion(), str_replace( 'junaidbhura/', '', $package_name ) );
 				}
diff --git a/README.md b/README.md
index 01db5f8..df17848 100644
--- a/README.md
+++ b/README.md
@@ -7,10 +7,11 @@ Sensitive credentials (license keys, tokens) are read from environment variables
 ## Supported Plugins
 
 1. Advanced Custom Fields Pro
-2. Advanced Custom Fields Extended Pro
-3. Gravity Forms / Add-Ons
-4. Polylang Pro
-5. WP All Import / Export Pro / Add-Ons
+1. Gravity Forms / Add-Ons
+1. Polylang Pro
+1. PublishPress Pro
+1. Advanced Custom Fields Extended Pro
+1. WP All Import / Export Pro / Add-Ons
 
 ## Overview
 
@@ -41,6 +42,10 @@ ACFE_PRO_URL="<registered_url_for_acf_extended_pro>"
 GRAVITY_FORMS_KEY="<gravity_forms_license_key>"
 POLYLANG_PRO_KEY="<polylang_pro_license_key>"
 POLYLANG_PRO_URL="<registered_url_for_polylang_pro>"
+PUBLISHPRESS_PRO_KEY="<publishpress_pro_membership_license_key>"
+PUBLISHPRESS_PRO_URL="<registered_url_for_publishpress_pro_membership>"
+PUBLISHPRESS_<plugin_slug>_PRO_KEY="<publishpress_pro_license_key>"
+PUBLISHPRESS_<plugin_slug>_PRO_URL="<registered_url_for_publishpress_pro>"
 WP_ALL_IMPORT_PRO_KEY="<wp_all_import_license_key>"
 WP_ALL_IMPORT_PRO_URL="<registered_url_for_wpai_pro>"
 WP_ALL_EXPORT_PRO_KEY="<wp_all_export_license_key>"
@@ -126,6 +131,21 @@ Add the following to your composer.json file:
       }
     }
   },
+  {
+    "type": "package",
+    "package": {
+      "name": "junaidbhura/publishpress-planner-pro",
+      "version": "<version_number>",
+      "type": "wordpress-plugin",
+      "dist": {
+        "type": "zip",
+        "url": "https://publishpress.com/"
+      },
+      "require": {
+        "junaidbhura/composer-wp-pro-plugins": "*"
+      }
+    }
+  },
   {
     "type": "package",
     "package": {
@@ -208,6 +228,7 @@ Add the following to your composer.json file:
   "junaidbhura/gravityforms": "*",
   "junaidbhura/gravityformspolls": "*",
   "junaidbhura/polylang-pro": "*",
+  "junaidbhura/publishpress-planner-pro": "*",
   "junaidbhura/wp-all-import-pro": "*",
   "junaidbhura/wp-all-export-pro": "*",
   "junaidbhura/wpai-acf-add-on": "*",
@@ -228,6 +249,25 @@ For example:
 
 Here's a list of all Gravity Forms add-on slugs: [https://docs.gravityforms.com/gravity-forms-add-on-slugs/](https://docs.gravityforms.com/gravity-forms-add-on-slugs/)
 
+### PublishPress Pro Plugins
+
+You can use any PublishPress Pro plugins by simply adding it's slug like so:
+
+`junaidbhura/<plugin-slug>`
+
+The following plugins are supported:
+
+| Package name                                | Environment variables                        |
+|:------------------------------------------- |:-------------------------------------------- |
+| `junaidbhura/publishpress-authors-pro`      | `PUBLISHPRESS_AUTHORS_PRO_<key_or_url>`      |
+| `junaidbhura/publishpress-blocks-pro`       | `PUBLISHPRESS_BLOCKS_PRO_<key_or_url>`       |
+| `junaidbhura/publishpress-capabilities-pro` | `PUBLISHPRESS_CAPABILITIES_PRO_<key_or_url>` |
+| `junaidbhura/publishpress-checklists-pro`   | `PUBLISHPRESS_CHECKLISTS_PRO_<key_or_url>`   |
+| `junaidbhura/publishpress-permissions-pro`  | `PUBLISHPRESS_PERMISSIONS_PRO_<key_or_url>`  |
+| `junaidbhura/publishpress-planner-pro`      | `PUBLISHPRESS_PLANNER_PRO_<key_or_url>`      |
+| `junaidbhura/publishpress-revisions-pro`    | `PUBLISHPRESS_REVISIONS_PRO_<key_or_url>`    |
+| `junaidbhura/publishpress-series-pro`       | `PUBLISHPRESS_SERIES_PRO_<key_or_url>`       |
+
 ### WP All Import Pro Add-Ons
 
 You can use any WP All Import Pro add-on by simply adding it's slug like so:
diff --git a/plugins/PublishPressPro.php b/plugins/PublishPressPro.php
new file mode 100644
index 0000000..827f855
--- /dev/null
+++ b/plugins/PublishPressPro.php
@@ -0,0 +1,137 @@
+<?php
+/**
+ * PublishPress Pro Plugin.
+ *
+ * @package Junaidbhura\Composer\WPProPlugins\Plugins
+ */
+
+namespace Junaidbhura\Composer\WPProPlugins\Plugins;
+
+use Composer\Semver\Semver;
+use Junaidbhura\Composer\WPProPlugins\Http;
+
+/**
+ * PublishPressPro class.
+ */
+class PublishPressPro {
+
+	/**
+	 * The version number of the plugin to download.
+	 *
+	 * @var string Version number.
+	 */
+	protected $version = '';
+
+	/**
+	 * The slug of which plugin to download.
+	 *
+	 * @var string Plugin slug.
+	 */
+	protected $slug = '';
+
+	/**
+	 * WpAiPro constructor.
+	 *
+	 * @param string $version
+	 * @param string $slug
+	 */
+	public function __construct( $version = '', $slug = 'publishpress-planner-pro' ) {
+		$this->version = $version;
+		$this->slug    = $slug;
+	}
+
+	/**
+	 * Get the download URL for this plugin.
+	 *
+	 * @return string
+	 */
+	public function getDownloadUrl() {
+		$id  = 0;
+		$env = null;
+		/**
+		 * Membership licensing.
+		 */
+		$license = ( getenv( 'PUBLISHPRESS_PRO_KEY' ) ?: null );
+		$url     = ( getenv( 'PUBLISHPRESS_PRO_URL' ) ?: null );
+
+		/**
+		 * List of official plugins as of 2023-01-20.
+		 */
+		switch ( $this->slug ) {
+			case 'publishpress-authors-pro':
+				$id  = 7203;
+				$env = 'AUTHORS';
+				break;
+
+			case 'publishpress-blocks-pro':
+				$id  = 98972;
+				$env = 'BLOCKS';
+				break;
+
+			case 'publishpress-capabilities-pro':
+				$id  = 44811;
+				$env = 'CAPABILITIES';
+				break;
+
+			case 'publishpress-checklists-pro':
+				$id  = 6465;
+				$env = 'CHECKLISTS';
+				break;
+
+			case 'publishpress-permissions-pro':
+				$id  = 34506;
+				$env = 'PERMISSIONS';
+				break;
+
+			case 'publishpress-planner-pro':
+				$id  = 49742;
+				$env = 'PLANNER';
+				break;
+
+			case 'publishpress-revisions-pro':
+				$id  = 40280;
+				$env = 'REVISIONS';
+				break;
+
+			case 'publishpress-series-pro':
+				$id  = 110550;
+				$env = 'SERIES';
+				break;
+
+			default:
+				return '';
+		}
+
+		if ( $env ) {
+			/**
+			 * Use add-on licensing if available, otherwise use membership licensing.
+			 */
+			$license = ( getenv( "PUBLISHPRESS_{$env}_PRO_KEY" ) ?: $license );
+			$url     = ( getenv( "PUBLISHPRESS_{$env}_PRO_URL" ) ?: $url );
+		}
+
+		$http     = new Http();
+		$response = json_decode( $http->get( 'https://publishpress.com', array(
+			'edd_action' => 'get_version',
+			'license'    => $license,
+			'item_id'    => $id,
+			'url'        => $url,
+			'version'    => $this->version,
+		) ), true );
+
+		if ( empty( $response['download_link'] ) ) {
+			return '';
+		}
+
+		if ( empty( $response['new_version'] ) ) {
+			return '';
+		}
+
+		if ( ! Semver::satisfies( $response['new_version'], $this->version ) ) {
+			return '';
+		}
+
+		return $response['download_link'];
+	}
+
+}