diff --git a/.github/workflows/main.linux.temurin.lts.yml b/.github/workflows/main.linux.temurin.lts.yml
index 5a1c5b1..9d78721 100644
--- a/.github/workflows/main.linux.temurin.lts.yml
+++ b/.github/workflows/main.linux.temurin.lts.yml
@@ -25,6 +25,7 @@ jobs:
           name: test-logs
           path: ./com.io7m.canonmill.tests/target/surefire-reports
       - name: Coverage
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@v4.3.0
         with:
+          token: ${{ secrets.CODECOV_TOKEN }}
           file: com.io7m.canonmill.tests/target/site/jacoco-aggregate/jacoco.xml
diff --git a/.jenkins b/.jenkins
deleted file mode 160000
index 1445255..0000000
--- a/.jenkins
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 1445255b16cac75ac688a6799bb0c7725c99baae
diff --git a/README.md b/README.md
index 891f6ef..a6baea6 100644
--- a/README.md
+++ b/README.md
@@ -3,13 +3,13 @@ canonmill
 
 [![Maven Central](https://img.shields.io/maven-central/v/com.io7m.canonmill/com.io7m.canonmill.svg?style=flat-square)](http://search.maven.org/#search%7Cga%7C1%7Cg%3A%22com.io7m.canonmill%22)
 [![Maven Central (snapshot)](https://img.shields.io/nexus/s/com.io7m.canonmill/com.io7m.canonmill?server=https%3A%2F%2Fs01.oss.sonatype.org&style=flat-square)](https://s01.oss.sonatype.org/content/repositories/snapshots/com/io7m/canonmill/)
-[![Codecov](https://img.shields.io/codecov/c/github/io7m/canonmill.svg?style=flat-square)](https://codecov.io/gh/io7m/canonmill)
+[![Codecov](https://img.shields.io/codecov/c/github/io7m-com/canonmill.svg?style=flat-square)](https://codecov.io/gh/io7m-com/canonmill)
 
 ![com.io7m.canonmill](./src/site/resources/canonmill.jpg?raw=true)
 
 | JVM | Platform | Status |
 |-----|----------|--------|
-| OpenJDK (Temurin) Current | Linux | [![Build (OpenJDK (Temurin) Current, Linux)](https://img.shields.io/github/actions/workflow/status/io7m/canonmill/main.linux.temurin.current.yml)](https://github.com/io7m/canonmill/actions?query=workflow%3Amain.linux.temurin.current)|
-| OpenJDK (Temurin) LTS | Linux | [![Build (OpenJDK (Temurin) LTS, Linux)](https://img.shields.io/github/actions/workflow/status/io7m/canonmill/main.linux.temurin.lts.yml)](https://github.com/io7m/canonmill/actions?query=workflow%3Amain.linux.temurin.lts)|
-| OpenJDK (Temurin) Current | Windows | [![Build (OpenJDK (Temurin) Current, Windows)](https://img.shields.io/github/actions/workflow/status/io7m/canonmill/main.windows.temurin.current.yml)](https://github.com/io7m/canonmill/actions?query=workflow%3Amain.windows.temurin.current)|
-| OpenJDK (Temurin) LTS | Windows | [![Build (OpenJDK (Temurin) LTS, Windows)](https://img.shields.io/github/actions/workflow/status/io7m/canonmill/main.windows.temurin.lts.yml)](https://github.com/io7m/canonmill/actions?query=workflow%3Amain.windows.temurin.lts)|
+| OpenJDK (Temurin) Current | Linux | [![Build (OpenJDK (Temurin) Current, Linux)](https://img.shields.io/github/actions/workflow/status/io7m-com/canonmill/main.linux.temurin.current.yml)](https://www.github.com/io7m-com/canonmill/actions?query=workflow%3Amain.linux.temurin.current)|
+| OpenJDK (Temurin) LTS | Linux | [![Build (OpenJDK (Temurin) LTS, Linux)](https://img.shields.io/github/actions/workflow/status/io7m-com/canonmill/main.linux.temurin.lts.yml)](https://www.github.com/io7m-com/canonmill/actions?query=workflow%3Amain.linux.temurin.lts)|
+| OpenJDK (Temurin) Current | Windows | [![Build (OpenJDK (Temurin) Current, Windows)](https://img.shields.io/github/actions/workflow/status/io7m-com/canonmill/main.windows.temurin.current.yml)](https://www.github.com/io7m-com/canonmill/actions?query=workflow%3Amain.windows.temurin.current)|
+| OpenJDK (Temurin) LTS | Windows | [![Build (OpenJDK (Temurin) LTS, Windows)](https://img.shields.io/github/actions/workflow/status/io7m-com/canonmill/main.windows.temurin.lts.yml)](https://www.github.com/io7m-com/canonmill/actions?query=workflow%3Amain.windows.temurin.lts)|
diff --git a/pom.xml b/pom.xml
index 3429d14..260a709 100644
--- a/pom.xml
+++ b/pom.xml
@@ -25,9 +25,15 @@
   </modules>
 
   <properties>
-    <bouncycastle.version>1.78.1</bouncycastle.version>
-    <com.io7m.xstructural.version>1.8.0</com.io7m.xstructural.version>
+    <!-- Configuration. -->
     <io7m.api.previousVersion>2.0.1</io7m.api.previousVersion>
+    <io7m.java.targetJavaVersion>21</io7m.java.targetJavaVersion>
+
+    <!-- io7m dependencies. -->
+    <com.io7m.xstructural.version>1.8.0</com.io7m.xstructural.version>
+
+    <!-- Third-party dependencies. -->
+    <bouncycastle.version>1.78.1</bouncycastle.version>
     <junit.version>5.10.2</junit.version>
     <logback.version>1.4.14</logback.version>
   </properties>
@@ -40,9 +46,9 @@
   </licenses>
 
   <scm>
-    <url>https://github.com/io7m/canonmill</url>
-    <connection>scm:git:https://github.com/io7m/canonmill</connection>
-    <developerConnection>scm:git:https://github.com/io7m/canonmill</developerConnection>
+    <url>https://www.github.com/io7m-com/canonmill</url>
+    <connection>scm:git:https://www.github.com/io7m-com/canonmill</connection>
+    <developerConnection>scm:git:https://www.github.com/io7m-com/canonmill</developerConnection>
   </scm>
 
   <developers>
diff --git a/src/site/resources/overview.xml b/src/site/resources/overview.xml
index 74ff35b..27adf5f 100644
--- a/src/site/resources/overview.xml
+++ b/src/site/resources/overview.xml
@@ -1,15 +1,15 @@
 <div xmlns="http://www.w3.org/1999/xhtml">
   <p class="shields">
-    <a href="https://github.com/io7m/canonmill/actions?query=workflow%3Amain-openjdk_lts-linux">
-      <img src="https://img.shields.io/github/actions/workflow/status/io7m/canonmill/main-openjdk_lts-linux.yml"
+    <a href="https://www.github.com/io7m-com/canonmill/actions?query=workflow%3Amain-openjdk_lts-linux">
+      <img src="https://img.shields.io/github/actions/workflow/status/io7m-com/canonmill/main-openjdk_lts-linux.yml"
            alt="Build status"/>
     </a>
     <a href="http://search.maven.org/#search%7Cga%7C1%7Cg%3A%22com.io7m.canonmill%22">
       <img src="https://img.shields.io/maven-central/v/com.io7m.canonmill/com.io7m.canonmill.svg?style=flat-square"
            alt="Maven Central"/>
     </a>
-    <a href="https://codecov.io/gh/io7m/canonmill">
-      <img src="https://img.shields.io/codecov/c/github/io7m/canonmill.svg?style=flat-square"
+    <a href="https://codecov.io/gh/io7m-com/canonmill">
+      <img src="https://img.shields.io/codecov/c/github/io7m-com/canonmill.svg?style=flat-square"
            alt="Codecov"/>
     </a>
   </p>