diff --git a/README-CHANGES.xml b/README-CHANGES.xml
index 2b1c842..053b4d9 100644
--- a/README-CHANGES.xml
+++ b/README-CHANGES.xml
@@ -63,12 +63,13 @@
         <c:change compatible="false" date="2022-04-09T00:00:00+00:00" summary="Require JDK 17"/>
       </c:changes>
     </c:release>
-    <c:release date="2024-05-05T14:58:30+00:00" is-open="true" ticket-system="com.github.io7m.jaffirm" version="4.0.1">
+    <c:release date="2024-05-05T15:40:32+00:00" is-open="true" ticket-system="com.github.io7m.jaffirm" version="4.0.1">
       <c:changes>
         <c:change date="2024-04-19T00:00:00+00:00" summary="Update org.immutables:value:2.10.0 → 2.10.1."/>
         <c:change date="2024-04-19T00:00:00+00:00" summary="Update org.junit.jupiter:junit-jupiter-api:5.10.1 → 5.10.2."/>
         <c:change date="2024-04-19T00:00:00+00:00" summary="Update org.junit.jupiter:junit-jupiter-engine:5.10.1 → 5.10.2."/>
-        <c:change date="2024-05-05T14:58:30+00:00" summary="Update com.io7m.junreachable:com.io7m.junreachable.core 4.0.0 → 4.0.2."/>
+        <c:change date="2024-05-05T00:00:00+00:00" summary="Update com.io7m.junreachable:com.io7m.junreachable.core 4.0.0 → 4.0.2."/>
+        <c:change date="2024-05-05T15:40:32+00:00" summary="Update com.io7m.immutables.style 0.0.1 → 1.0.0."/>
       </c:changes>
     </c:release>
   </c:releases>
diff --git a/com.io7m.jaffirm.core/pom.xml b/com.io7m.jaffirm.core/pom.xml
index 5e97ed9..f6b1c30 100644
--- a/com.io7m.jaffirm.core/pom.xml
+++ b/com.io7m.jaffirm.core/pom.xml
@@ -39,8 +39,8 @@
       <scope>provided</scope>
     </dependency>
     <dependency>
-      <groupId>com.io7m.immutables.style</groupId>
-      <artifactId>com.io7m.immutables.style</artifactId>
+      <groupId>com.io7m.immutables-style</groupId>
+      <artifactId>com.io7m.immutables-style</artifactId>
       <scope>provided</scope>
     </dependency>
   </dependencies>
diff --git a/pom.xml b/pom.xml
index c4c54a4..d7683da 100644
--- a/pom.xml
+++ b/pom.xml
@@ -98,9 +98,9 @@
         <version>${io7m.org.immutables.version}</version>
       </dependency>
       <dependency>
-        <groupId>com.io7m.immutables.style</groupId>
-        <artifactId>com.io7m.immutables.style</artifactId>
-        <version>0.0.1</version>
+        <groupId>com.io7m.immutables-style</groupId>
+        <artifactId>com.io7m.immutables-style</artifactId>
+        <version>1.0.0</version>
       </dependency>
 
       <dependency>