diff --git a/README.md b/README.md
index 6164a74..10f98b7 100644
--- a/README.md
+++ b/README.md
@@ -10,6 +10,12 @@ appbase-security
 
 ## Change log:
 
+**4.0.0**
+    * Move from Java 11 to 21
+    * Update appbase dependency to 4.0.0
+    * Update derby 10.14 -> 10.17
+    * Move from javax.servlet -> jakarta.servlet 6.0
+
 **3.0.3**
    * Update shiro to 1.13.0 to avoid most severe CVEs. Move to Shiro2.x would be breaking and there's no migration documentation.
    * Update appbase dependency to pull in update to tomcat 9.0
@@ -371,4 +377,3 @@ public class LoginCmds {
 The `UserStore` implementation also provides various methods for accessing available
 permissions and users and for creating time-limited password credentials.
 See the source code for details.
-
diff --git a/pom.xml b/pom.xml
index 8142350..b8eb2eb 100644
--- a/pom.xml
+++ b/pom.xml
@@ -3,7 +3,7 @@
   <groupId>com.epimorphics</groupId>
   <artifactId>appbase-security</artifactId>
   <packaging>jar</packaging>
-  <version>4.0.0-SNAPSHOT</version>
+  <version>4.0.1-SNAPSHOT</version>
   <name>Appbase security</name>
 
   <scm>