diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 344fe94..41383d9 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -16,8 +16,8 @@ jobs:
     strategy:
       matrix:
         scenario:
-          - debian-9
           - debian-10
+          - debian-11
           - ubuntu-1804
           - ubuntu-2004
 
diff --git a/Readme.md b/Readme.md
index 6576548..86e9fe7 100644
--- a/Readme.md
+++ b/Readme.md
@@ -20,8 +20,8 @@ Ansible 2.7 or newer.
 Supported Platforms
 -------------------
 
-- [Debian - 9 (Stretch)](https://wiki.debian.org/DebianStretch)
 - [Debian - 10 (Buster)](https://wiki.debian.org/DebianBuster)
+- [Debian - 11 (Bullseye)](https://wiki.debian.org/DebianBullseye)
 - [Ubuntu - 18.04 (Bionic Beaver)](http://releases.ubuntu.com/18.04/)
 - [Ubuntu - 20.04 (Focal Fossa)](http://releases.ubuntu.com/20.04/)
 
@@ -53,8 +53,8 @@ Testing
 
 ## Debian
 
-    molecule --base-config molecule/shared/base.yml test --scenario-name debian-9
     molecule --base-config molecule/shared/base.yml test --scenario-name debian-10
+    molecule --base-config molecule/shared/base.yml test --scenario-name debian-11
 
 ## Ubuntu
 
diff --git a/meta/main.yml b/meta/main.yml
index 02f7409..3799282 100644
--- a/meta/main.yml
+++ b/meta/main.yml
@@ -13,8 +13,8 @@ galaxy_info:
         - focal
     - name: Debian
       versions:
+        - bullseye
         - buster
-        - stretch
   galaxy_tags:
     - agent
     - client
diff --git a/molecule/debian-9/Dockerfile.j2 b/molecule/debian-11/Dockerfile.j2
similarity index 100%
rename from molecule/debian-9/Dockerfile.j2
rename to molecule/debian-11/Dockerfile.j2
diff --git a/molecule/debian-9/molecule.yml b/molecule/debian-11/molecule.yml
similarity index 75%
rename from molecule/debian-9/molecule.yml
rename to molecule/debian-11/molecule.yml
index 69524b7..31d9ba1 100644
--- a/molecule/debian-9/molecule.yml
+++ b/molecule/debian-11/molecule.yml
@@ -1,7 +1,7 @@
 ---
 platforms:
-  - name: ansible-role-sensu-go-agent-debian-9
-    image: debian:9
+  - name: ansible-role-sensu-go-agent-debian-11
+    image: debian:11
     command: /lib/systemd/systemd
     tmpfs:
       - /run