diff --git a/roles/mastodon/tasks/mastodon.yml b/roles/mastodon/tasks/mastodon.yml
index 710ddf7..e9e42d6 100644
--- a/roles/mastodon/tasks/mastodon.yml
+++ b/roles/mastodon/tasks/mastodon.yml
@@ -23,11 +23,27 @@
     chdir: "{{ mastodon_home }}/live"
   changed_when: true
 
+- name: Enable corepack
+  remote_user: mastodon
+  ansible.builtin.command:
+    cmd: |
+      bash -lic "corepack enable"
+    chdir: "{{ mastodon_home }}/live"
+  changed_when: true
+
+- name: Install yarn 4
+  remote_user: mastodon
+  ansible.builtin.command:
+    cmd: |
+      bash -lic "corepack prepare"
+    chdir: "{{ mastodon_home }}/live"
+  changed_when: true
+
 - name: Install mastodon
   remote_user: mastodon
   ansible.builtin.command:
     cmd: |
-      bash -lic "yarn install --frozen-lockfile"
+      bash -lic "yarn install --immutable"
     chdir: "{{ mastodon_home }}/live"
   changed_when: true
 
@@ -83,4 +99,5 @@
   ansible.builtin.command:
     cmd: |
       bash -lic "yarn cache clean"
+    chdir: "{{ mastodon_home }}/live"
   changed_when: true
diff --git a/roles/mastodon/vars/main.yml b/roles/mastodon/vars/main.yml
index 2c206f3..464da4e 100644
--- a/roles/mastodon/vars/main.yml
+++ b/roles/mastodon/vars/main.yml
@@ -1,6 +1,6 @@
 ---
 
-mastodon_version: "4.2.13"
+mastodon_version: "4.3.0"
 
 mastodon_nodejs_key_url: "https://deb.nodesource.com/gpgkey/nodesource.gpg.key"
 mastodon_nodejs_key_path: "/usr/share/keyrings/nodesource.gpg"
@@ -8,4 +8,4 @@ mastodon_nodejs_key_path: "/usr/share/keyrings/nodesource.gpg"
 mastodon_yarn_key_url: "https://dl.yarnpkg.com/debian/pubkey.gpg"
 mastodon_yarn_key_path: "/usr/share/keyrings/yarnkey.gpg"
 
-mastodon_ruby_version: "3.2.3"
+mastodon_ruby_version: "3.3.5"