diff --git a/ansible/bootstrap/aegis.bu b/ansible/bootstrap/aegis.bu
index b11c126..f03beac 100644
--- a/ansible/bootstrap/aegis.bu
+++ b/ansible/bootstrap/aegis.bu
@@ -39,6 +39,22 @@ systemd:
         [Install]
         WantedBy=multi-user.target
 storage:
+  disks:
+    - device: /dev/mmcblk0
+      wipe_table: false
+      partitions:
+        - label: aegis-data
+          number: 5
+          size_mib: 0
+  filesystems:
+    - device: /dev/disk/by-partlabel/aegis-data
+      format: btrfs
+      label: aegis-data
+      wipe_filesystem: false
+      mount:
+        path: /
+        options:
+          - compress=zstd
   files:
     - path: /etc/hostname
       mode: 0644
diff --git a/ansible/inventory/group_vars/workstation_dev_wsl.yml b/ansible/inventory/group_vars/workstation_dev_wsl.yml
index 3cc5843..d8dbbcd 100644
--- a/ansible/inventory/group_vars/workstation_dev_wsl.yml
+++ b/ansible/inventory/group_vars/workstation_dev_wsl.yml
@@ -8,9 +8,10 @@ workstation_dev_wsl_packages:
   - python3-pip
   - tmux
 
-# Java 11 is no longer supplied by the Fedora repositories used by this WSL
-# profile. Keep the JDK patch pinned; update this value deliberately.
+# Java 11 and Maven are managed by Mise on this Fedora WSL profile. Keep their
+# versions pinned; update them deliberately.
 workstation_mise_java_version: temurin-11.0.31+11
+workstation_mise_maven_version: 3.9.16
 
 workstation_is_wsl: true
 workstation_wsl_systemd_enabled: true
diff --git a/ansible/roles/profile_workstation_dev_wsl/tasks/main.yml b/ansible/roles/profile_workstation_dev_wsl/tasks/main.yml
index e08d324..b835425 100644
--- a/ansible/roles/profile_workstation_dev_wsl/tasks/main.yml
+++ b/ansible/roles/profile_workstation_dev_wsl/tasks/main.yml
@@ -66,14 +66,27 @@
   changed_when: false
   failed_when: false
 
-- name: Install the pinned Java version with Mise
-  tags: [packages, mise, java, wsl]
+- name: Check whether the pinned Maven version is installed with Mise
+  tags: [packages, mise, maven, wsl]
+  ansible.builtin.command:
+    cmd: "mise where maven@{{ workstation_mise_maven_version }}"
+  become_user: "{{ username }}"
+  environment:
+    HOME: "{{ user_home }}"
+  register: workstation_mise_maven_where
+  changed_when: false
+  failed_when: false
+
+- name: Install the pinned Mise tools
+  tags: [packages, mise, java, maven, wsl]
   ansible.builtin.command:
     cmd: mise install
   become_user: "{{ username }}"
   environment:
     HOME: "{{ user_home }}"
-  when: workstation_mise_java_where.rc != 0
+  when: >-
+    workstation_mise_java_where.rc != 0 or
+    workstation_mise_maven_where.rc != 0
 
 - name: Ensure WSL boot configuration file exists
   tags: [packages, services]
diff --git a/dotfiles/workstation_dev_wsl/.config/mise/config.toml b/dotfiles/workstation_dev_wsl/.config/mise/config.toml
index e452a0f..93944df 100644
--- a/dotfiles/workstation_dev_wsl/.config/mise/config.toml
+++ b/dotfiles/workstation_dev_wsl/.config/mise/config.toml
@@ -1,2 +1,3 @@
 [tools]
 java = "temurin-11.0.31+11"
+maven = "3.9.16"