diff --git a/ansible/roles/semaphore/tasks/postgres.yml b/ansible/roles/semaphore/tasks/postgres.yml
index 6883eb0..1318693 100644
--- a/ansible/roles/semaphore/tasks/postgres.yml
+++ b/ansible/roles/semaphore/tasks/postgres.yml
@@ -33,3 +33,11 @@
   retries: 30
   delay: 2
   changed_when: false
+
+# Same Quadlet-restart caveat as Semaphore: regenerated unit but the
+# running container keeps its original env until forced.
+- name: Restart PostgreSQL on Quadlet change
+  ansible.builtin.systemd:
+    name: "{{ semaphore_postgres_container_name }}.service"
+    state: restarted
+  when: postgres_quadlet.changed
diff --git a/ansible/roles/semaphore/tasks/semaphore.yml b/ansible/roles/semaphore/tasks/semaphore.yml
index f7c24ac..4ef6389 100644
--- a/ansible/roles/semaphore/tasks/semaphore.yml
+++ b/ansible/roles/semaphore/tasks/semaphore.yml
@@ -22,3 +22,13 @@
     name: "{{ semaphore_container_name }}.service"
     state: started
     enabled: true
+
+# Quadlet does NOT auto-restart a running container when its .container
+# file changes — the systemd unit is regenerated, but the container
+# process keeps its original env. Force a restart when the Quadlet
+# template was modified so env-var changes actually take effect.
+- name: Restart Semaphore on Quadlet change
+  ansible.builtin.systemd:
+    name: "{{ semaphore_container_name }}.service"
+    state: restarted
+  when: semaphore_quadlet.changed