diff --git a/CHANGELOG.md b/CHANGELOG.md
index e6050c6c..8408f9e4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # Changelog
 
-## 4.0.1 - 2026-07-17
+## 4.0.1 - 2026-07-21
 
 * Fix: Change Gradle wiring so bugsnag-spring exports com.bugsnag:bugsnag on consumers' compile classpath.
 
diff --git a/bugsnag/src/main/java/com/bugsnag/Notifier.java b/bugsnag/src/main/java/com/bugsnag/Notifier.java
index c4655594..0f7b59bb 100644
--- a/bugsnag/src/main/java/com/bugsnag/Notifier.java
+++ b/bugsnag/src/main/java/com/bugsnag/Notifier.java
@@ -5,7 +5,7 @@
 class Notifier {
 
     private static final String NOTIFIER_NAME = "Bugsnag Java";
-    private static final String NOTIFIER_VERSION = "4.0.0";
+    private static final String NOTIFIER_VERSION = "4.0.1";
     private static final String NOTIFIER_URL = "https://github.com/bugsnag/bugsnag-java";
 
     private String notifierName = NOTIFIER_NAME;
diff --git a/gradle.properties b/gradle.properties
index 76304a57..8a4d7c37 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,4 +1,4 @@
-version=4.0.0
+version=4.0.1
 group=com.bugsnag
 
 # Default properties