diff --git a/specification/build/haproxy_spec.yaml b/specification/build/haproxy_spec.yaml
index 527b5141..1c4c3d0b 100644
--- a/specification/build/haproxy_spec.yaml
+++ b/specification/build/haproxy_spec.yaml
@@ -3293,8 +3293,7 @@ definitions:
         type: string
         x-dependency:
           cookie:
-            dynamic:
-              value: true
+            dynamic.value: true
       email_alert:
         $ref: '#/definitions/email_alert'
       enabled:
diff --git a/specification/models/configuration/backend.yaml b/specification/models/configuration/backend.yaml
index 9a17eb28..77befefc 100644
--- a/specification/models/configuration/backend.yaml
+++ b/specification/models/configuration/backend.yaml
@@ -158,8 +158,7 @@ backend_base:
       pattern: '^[^\s]+$'
       x-dependency:
         cookie:
-          dynamic:
-            value: true
+          dynamic.value: true
     default_server:
       $ref: "#/definitions/default_server"
     check_timeout: