diff --git a/inventory/host_vars/self.yml b/inventory/host_vars/self.yml
index 448c96a..1aa7b78 100644
--- a/inventory/host_vars/self.yml
+++ b/inventory/host_vars/self.yml
@@ -2,3 +2,6 @@ first_name: Pim
 last_name: Kunis
 full_name: "{{ first_name }} {{ last_name }}"
 email: pim@kunis.nl
+vscodium_extensions:
+  - shd101wyy.markdown-preview-enhanced
+  - streetsidesoftware.code-spell-checker
diff --git a/roles/system/facts/vscodium_extensions.fact b/roles/system/facts/vscodium_extensions.fact
new file mode 100755
index 0000000..14d9058
--- /dev/null
+++ b/roles/system/facts/vscodium_extensions.fact
@@ -0,0 +1,5 @@
+#!/bin/bash
+set -euo pipefail
+IFS=$'\n\t'
+
+codium --list-extensions | awk -v q="\"" -v d="," '{s=(NR==1?s:s d)q $0 q}END{print "[" s "]"}'
diff --git a/roles/system/tasks/main.yml b/roles/system/tasks/main.yml
index c7585ed..6ebc712 100644
--- a/roles/system/tasks/main.yml
+++ b/roles/system/tasks/main.yml
@@ -1,14 +1,23 @@
 - name: Get Signal APT key
   become: true
-  ansible.builtin.get_url:
+  get_url:
     url: https://updates.signal.org/desktop/apt/keys.asc
     dest: /etc/apt/trusted.gpg.d/signal.asc
-
 - name: Install Signal APT repository
   become: true
-  ansible.builtin.apt_repository:
+  apt_repository:
     repo: "deb [arch=amd64 signed-by=/etc/apt/trusted.gpg.d/signal.asc] https://updates.signal.org/desktop/apt xenial main"
     state: present
+- name: Get VSCodium APT key
+  become: true
+  get_url:
+    url: https://gitlab.com/paulcarroty/vscodium-deb-rpm-repo/raw/master/pub.gpg
+    dest: /etc/apt/trusted.gpg.d/vscodium-archive-keyring.asc
+- name: Install VSCodium APT repository
+  become: true
+  apt_repository:
+    repo: "deb [signed-by=/etc/apt/trusted.gpg.d/vscodium-archive-keyring.asc ] https://download.vscodium.com/debs vscodium main"
+    state: present
 - name: Update repositories
   become: true
   apt:
@@ -34,6 +43,7 @@
       - gimp
       - signal-desktop
       - nextcloud-desktop
+      - codium
       # Erlang stuff: https://github.com/asdf-vm/asdf-erlang#before-asdf-install
       - build-essential
       - autoconf
@@ -80,3 +90,9 @@
   template:
     src: "{{ role_path }}/templates/Xresources.j2"
     dest: ~/.config/regolith2/Xresources
+- name: Check VSCodium extensions
+  setup:
+    fact_path: "{{ role_path }}/facts"
+- name: Install VSCodium extensions
+  shell: "codium --install-extension {{ item }}"
+  loop: "{{ vscodium_extensions | difference(ansible_facts.ansible_local.vscodium_extensions) }}"