diff --git a/CHANGELOG.md b/CHANGELOG.md
index d5410dd..459710b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -13,6 +13,10 @@ Which is based on [Keep A Changelog](http://keepachangelog.com/)
 
 - change apt key
 
+### Removed
+
+- support debian 11
+
 ## v1.0.0 - 2021-08-20
 
 ### Added
diff --git a/README.md b/README.md
index bf76d51..2c65c3d 100644
--- a/README.md
+++ b/README.md
@@ -9,12 +9,10 @@ Install and configure Telegraf
 
 * Ansible >= 2.9
 * Debian
-  * Bullseye
   * Bookworm
 
 ## Role variables
 
-* `telegraf_distribution_release` - set the distribution repository name (default: `ansible_distribution_release`)
 * `telegraf_config` - hash with the general configuration (see [telegraf documentation](https://docs.influxdata.com/telegraf/latest/administration/configuration/))
 
 ```
diff --git a/defaults/main.yml b/defaults/main.yml
index ecacdf9..11f8a12 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -1,5 +1,4 @@
 ---
-telegraf_distribution_release: "{{ ansible_distribution_release }}"
 telegraf_default_config:
   agent:
     interval: 10s
diff --git a/meta/main.yml b/meta/main.yml
index dbecc04..fa90ba1 100644
--- a/meta/main.yml
+++ b/meta/main.yml
@@ -11,7 +11,6 @@ galaxy_info:
   platforms:
     - name: Debian
       versions:
-        - bullseye
         - bookworm
 
   galaxy_tags:
diff --git a/molecule/default/molecule.yml b/molecule/default/molecule.yml
index 844210b..89bf10a 100644
--- a/molecule/default/molecule.yml
+++ b/molecule/default/molecule.yml
@@ -11,20 +11,6 @@ platforms:
     command: /bin/systemd
     capabilities:
       - SYS_ADMIN
-  - name: debian11
-    image: nishiki/debian11:molecule
-    privileged: true
-    volumes:
-      - /sys/fs/cgroup:/sys/fs/cgroup:rw
-    cgroupns_mode: host
-    command: /bin/systemd
-    capabilities:
-      - SYS_ADMIN
-provisioner:
-  inventory:
-    host_vars:
-      debian12:
-        telegraf_distribution_release: bullseye
 lint: |
   set -e
   yamllint .
diff --git a/tasks/main.yml b/tasks/main.yml
index 3bd0a9a..4447fac 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -6,15 +6,22 @@
       - gpg
   tags: telegraf
 
-- name: Add key for influx repository
-  ansible.builtin.apt_key:
+- name: Add repository key
+  ansible.builtin.get_url:
     url: https://repos.influxdata.com/influxdata-archive_compat.key
+    dest: /etc/apt/keyrings/influx.asc
+    owner: root
+    group: root
+    mode: 0644
+    checksum: sha256:393e8779c89ac8d958f81f942f9ad7fb82a25e133faddaf92e15b16e6ac9ce4c
   tags: telegraf
 
-- name: Add influx repository
+- name: Add repository
   ansible.builtin.apt_repository:
+    repo: >
+      deb [signed-by=/etc/apt/keyrings/influx.asc]
+      https://repos.influxdata.com/debian stable main
     filename: influx
-    repo: "deb https://repos.influxdata.com/debian {{ telegraf_distribution_release }} stable"
   tags: telegraf
 
 - name: Install influxdb package