diff --git a/.gitignore b/.gitignore
index eafc660..8783c0a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -13,6 +13,9 @@
 /.project
 /.settings
 
+# JetBrains IDEs (https://github.com/github/gitignore/blob/master/Global/JetBrains.gitignore)
+/.idea
+
 # Node.js
 /package-lock.json
 /node_modules/
diff --git a/CHANGELOG.md b/CHANGELOG.md
index d045353..8f631b5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,9 @@ This projects adheres to [Semantic Versioning](http://semver.org/) and [Keep a C
 ## [Unreleased][unreleased]
 -
 
+## [3.0.1] - 2021-08-13
+- Fixed "Fatal error: Uncaught Error: Class 'Pronamic\WordPress\Pay\Extensions\MemberPress\Money' not found".
+
 ## [3.0.0] - 2021-08-05
 - Updated to `pronamic/wp-pay-core`  version `3.0.0`.
 - Updated to `pronamic/wp-money`  version `2.0.0`.
@@ -138,7 +141,8 @@ This projects adheres to [Semantic Versioning](http://semver.org/) and [Keep a C
 ## 1.0.0 - 2016-02-01
 - First release.
 
-[unreleased]: https://github.com/wp-pay-extensions/memberpress/compare/3.0.0...HEAD
+[unreleased]: https://github.com/wp-pay-extensions/memberpress/compare/3.0.1...HEAD
+[3.0.1]: https://github.com/wp-pay-extensions/memberpress/compare/3.0.0...3.0.1
 [3.0.0]: https://github.com/wp-pay-extensions/memberpress/compare/2.3.3...3.0.0
 [2.3.3]: https://github.com/wp-pay-extensions/memberpress/compare/2.3.2...2.3.3
 [2.3.2]: https://github.com/wp-pay-extensions/memberpress/compare/2.3.1...2.3.2
diff --git a/package.json b/package.json
index a216121..fe0a10f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "memberpress",
-  "version": "3.0.0",
+  "version": "3.0.1",
   "description": "MemberPress driver for the WordPress payment processing library.",
   "repository": {
     "type": "git",
diff --git a/src/Pronamic.php b/src/Pronamic.php
index ce170d5..765ab0a 100644
--- a/src/Pronamic.php
+++ b/src/Pronamic.php
@@ -11,6 +11,7 @@
 namespace Pronamic\WordPress\Pay\Extensions\MemberPress;
 
 use MeprTransaction;
+use Pronamic\WordPress\Money\Money;
 use Pronamic\WordPress\Money\TaxedMoney;
 use Pronamic\WordPress\Pay\AddressHelper;
 use Pronamic\WordPress\Pay\Customer;
@@ -26,7 +27,7 @@
  * Pronamic
  *
  * @author  Remco Tolsma
- * @version 2.3.2
+ * @version 3.0.1
  * @since   2.0.5
  */
 class Pronamic {