diff --git a/roles/web_server/molecule/default/molecule.yml b/roles/web_server/molecule/default/molecule.yml
index 0cc90f362a4ef73a5b5be21990b3240ab9e5bfc8..76ab28eacad767b1e4f94fe89f87fae19cf089ab 100644
--- a/roles/web_server/molecule/default/molecule.yml
+++ b/roles/web_server/molecule/default/molecule.yml
@@ -15,7 +15,7 @@ lint:
 platforms:
 
   - name: client
-    box: debian/contrib-buster64
+    box: debian/bullseye64
     memory: 256
     cpus: 1
     interfaces:
@@ -50,6 +50,32 @@ platforms:
         network_name: private_network
         type: static
 
+  - name: parameters-mandatory-bullseye
+    groups:
+      - parameters-mandatory
+      - bullseye
+    box: debian/bullseye64
+    memory: 512
+    cpus: 1
+    interfaces:
+      - auto_config: true
+        ip: 192.168.56.31
+        network_name: private_network
+        type: static
+
+  - name: parameters-optional-bullseye
+    groups:
+      - parameters-optional
+      - bullseye
+    box: debian/bullseye64
+    memory: 512
+    cpus: 1
+    interfaces:
+      - auto_config: true
+        ip: 192.168.56.32
+        network_name: private_network
+        type: static
+
 provisioner:
   name: ansible
   playbooks: