diff --git a/com.io7m.primogenitor.full/pom.xml b/com.io7m.primogenitor.full/pom.xml
index 08423c5..09833a9 100644
--- a/com.io7m.primogenitor.full/pom.xml
+++ b/com.io7m.primogenitor.full/pom.xml
@@ -8,7 +8,7 @@
   <parent>
     <artifactId>com.io7m.primogenitor</artifactId>
     <groupId>com.io7m.primogenitor</groupId>
-    <version>8.4.0-SNAPSHOT</version>
+    <version>8.3.1-SNAPSHOT</version>
   </parent>
 
   <artifactId>com.io7m.primogenitor.full</artifactId>
diff --git a/com.io7m.primogenitor.lite/pom.xml b/com.io7m.primogenitor.lite/pom.xml
index 5c6c8c4..844739a 100644
--- a/com.io7m.primogenitor.lite/pom.xml
+++ b/com.io7m.primogenitor.lite/pom.xml
@@ -8,7 +8,7 @@
   <parent>
     <artifactId>com.io7m.primogenitor</artifactId>
     <groupId>com.io7m.primogenitor</groupId>
-    <version>8.4.0-SNAPSHOT</version>
+    <version>8.3.1-SNAPSHOT</version>
   </parent>
 
   <artifactId>com.io7m.primogenitor.lite</artifactId>
diff --git a/com.io7m.primogenitor.support/pom.xml b/com.io7m.primogenitor.support/pom.xml
index a079efd..5d82e5a 100644
--- a/com.io7m.primogenitor.support/pom.xml
+++ b/com.io7m.primogenitor.support/pom.xml
@@ -8,7 +8,7 @@
   <parent>
     <artifactId>com.io7m.primogenitor</artifactId>
     <groupId>com.io7m.primogenitor</groupId>
-    <version>8.4.0-SNAPSHOT</version>
+    <version>8.3.1-SNAPSHOT</version>
   </parent>
 
   <artifactId>com.io7m.primogenitor.support</artifactId>
diff --git a/com.io7m.primogenitor.tests/pom.xml b/com.io7m.primogenitor.tests/pom.xml
index ac6fcd0..062f188 100644
--- a/com.io7m.primogenitor.tests/pom.xml
+++ b/com.io7m.primogenitor.tests/pom.xml
@@ -9,7 +9,7 @@
   <parent>
     <artifactId>com.io7m.primogenitor</artifactId>
     <groupId>com.io7m.primogenitor</groupId>
-    <version>8.4.0-SNAPSHOT</version>
+    <version>8.3.1-SNAPSHOT</version>
   </parent>
 
   <artifactId>com.io7m.primogenitor.tests</artifactId>
diff --git a/pom.xml b/pom.xml
index 6497396..3af0b67 100644
--- a/pom.xml
+++ b/pom.xml
@@ -9,7 +9,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.io7m.primogenitor</groupId>
   <artifactId>com.io7m.primogenitor</artifactId>
-  <version>8.4.0-SNAPSHOT</version>
+  <version>8.3.1-SNAPSHOT</version>
   <packaging>pom</packaging>
 
   <modules>
@@ -61,7 +61,7 @@
     <io7m.javadoc.docLint>-Xdoclint:all</io7m.javadoc.docLint>
 
     <!-- The timestamp used for all outputs, for reproducibility. -->
-    <project.build.outputTimestamp>2024-10-17T21:49:01Z</project.build.outputTimestamp>
+    <project.build.outputTimestamp>2024-10-20T10:18:55Z</project.build.outputTimestamp>
 
     <!-- The versions of all plugins used -->
     <io7m.bnd-baseline-maven-plugin.version>7.0.0</io7m.bnd-baseline-maven-plugin.version>
@@ -978,9 +978,6 @@ Specification-Version:    $[project.version]
               <configuration>
                 <destFile>${project.build.directory}/jacoco.exec</destFile>
                 <append>true</append>
-                <includes>
-                  <include>**/*.class</include>
-                </includes>
               </configuration>
             </execution>