diff --git a/README-CHANGES.xml b/README-CHANGES.xml
index 544536a..46b59a2 100644
--- a/README-CHANGES.xml
+++ b/README-CHANGES.xml
@@ -56,9 +56,9 @@
         <c:change date="2024-05-05T00:00:00+00:00" summary="Refresh build metadata and move to new organization."/>
       </c:changes>
     </c:release>
-    <c:release date="2024-05-05T15:00:19+00:00" is-open="true" ticket-system="com.github.io7m.junreachable" version="4.0.2">
+    <c:release date="2024-05-05T15:01:05+00:00" is-open="false" ticket-system="com.github.io7m.junreachable" version="4.0.2">
       <c:changes>
-        <c:change date="2024-05-05T15:00:19+00:00" summary="Fix accidental upgrade to JDK 21."/>
+        <c:change date="2024-05-05T00:00:00+00:00" summary="Fix accidental upgrade to JDK 21."/>
       </c:changes>
     </c:release>
   </c:releases>
diff --git a/com.io7m.junreachable.core/pom.xml b/com.io7m.junreachable.core/pom.xml
index 6dc9c25..31cc905 100644
--- a/com.io7m.junreachable.core/pom.xml
+++ b/com.io7m.junreachable.core/pom.xml
@@ -8,7 +8,7 @@
   <parent>
     <groupId>com.io7m.junreachable</groupId>
     <artifactId>com.io7m.junreachable</artifactId>
-    <version>4.0.2-SNAPSHOT</version>
+    <version>4.0.2</version>
   </parent>
   <artifactId>com.io7m.junreachable.core</artifactId>
 
diff --git a/com.io7m.junreachable.tests/pom.xml b/com.io7m.junreachable.tests/pom.xml
index 5ede40d..f233f20 100644
--- a/com.io7m.junreachable.tests/pom.xml
+++ b/com.io7m.junreachable.tests/pom.xml
@@ -8,7 +8,7 @@
   <parent>
     <groupId>com.io7m.junreachable</groupId>
     <artifactId>com.io7m.junreachable</artifactId>
-    <version>4.0.2-SNAPSHOT</version>
+    <version>4.0.2</version>
   </parent>
   <artifactId>com.io7m.junreachable.tests</artifactId>
 
diff --git a/pom.xml b/pom.xml
index 95e53ec..759d770 100644
--- a/pom.xml
+++ b/pom.xml
@@ -13,7 +13,7 @@
 
   <groupId>com.io7m.junreachable</groupId>
   <artifactId>com.io7m.junreachable</artifactId>
-  <version>4.0.2-SNAPSHOT</version>
+  <version>4.0.2</version>
 
   <packaging>pom</packaging>
   <name>com.io7m.junreachable</name>
@@ -26,7 +26,7 @@
   </modules>
 
   <properties>
-    <io7m.api.previousVersion>3.0.0</io7m.api.previousVersion>
+    <io7m.api.previousVersion>4.0.0</io7m.api.previousVersion>
     <io7m.java.targetJavaVersion>17</io7m.java.targetJavaVersion>
   </properties>