diff --git a/roles/base/tasks/main.yml b/roles/base/tasks/main.yml
index 4dcc84f..2d36b02 100644
--- a/roles/base/tasks/main.yml
+++ b/roles/base/tasks/main.yml
@@ -42,6 +42,7 @@
     - keychain
     - libarchive-tools
     - lsof
+    - mailutils
     - mg
     - nmap
     - nvi
diff --git a/roles/development/defaults/main.yml b/roles/development/defaults/main.yml
index e34f93c..47f1cb2 100644
--- a/roles/development/defaults/main.yml
+++ b/roles/development/defaults/main.yml
@@ -1,4 +1,4 @@
-go_version: 1.20.3
+go_version: 1.20.4
 bazelisk_version: 1.16.0
 dev_embedded: False
 dev_full: False
diff --git a/roles/development/tasks/main.yml b/roles/development/tasks/main.yml
index e8250ce..b915a66 100644
--- a/roles/development/tasks/main.yml
+++ b/roles/development/tasks/main.yml
@@ -29,7 +29,7 @@
     - python3-progressbar
     - python3-pycryptodome
     - sbcl
-    - termshark
+    - sqlite3
     - texinfo
     - tig
     - tshark
@@ -91,6 +91,16 @@
     dest: "/home/{{ laptop_user }}/.local/bin"
     creates: "/home/{{ laptop_user }}/.local/bin/buildifier"
 
+- name: setup bazel symlink
+  become: true
+  ansible.builtin.file:
+    src: "/home/{{ laptop_user }}/.local/bin/bazelisk"
+    dest: /usr/local/bin/bazel
+    state: link
+    owner: root
+    group: root
+    mode: '0755'
+
 ## virtualization and containerization
 - name: ensure repository key is installed
   when: dev_virt or dev_full
@@ -334,3 +344,11 @@
     group: root
     mode: 0755
     state: link
+
+- name: install minio CLI tool
+  become: true
+  ansible.builtin.get_url:
+    checksum: sha256:cd26ea353811880704efe8eb1b3335461240c1d4f7e4f3efee1b4391697662e4
+    dest: /usr/local/bin/mc
+    mode: 0755
+    url: https://dl.min.io/client/mc/release/linux-amd64/archive/mc.RELEASE.2023-05-04T18-10-16Z
diff --git a/site.yml b/site.yml
index efedf31..ed91f25 100644
--- a/site.yml
+++ b/site.yml
@@ -1,6 +1,7 @@
 - hosts: laptop
   roles:
     - base
+    - matrix
     - dotfiles
     - server
     - desktop
@@ -16,6 +17,7 @@
 - hosts: desktop
   roles:
     - base
+    - matrix
     - dotfiles
     - server
     - desktop
@@ -43,6 +45,7 @@
 - hosts: build
   roles:
     - base
+    - matrix
     - dotfiles
     - development
     - server