diff --git a/setup.py b/setup.py
index e126c89..ecb885a 100644
--- a/setup.py
+++ b/setup.py
@@ -72,7 +72,7 @@ def read(*rnames):
         'zope.component',
         'zope.configuration',
         'zope.i18nmessageid',
-        'zope.interface',
+        'zope.interface >= 3.8',
         'zope.location',
         'zope.schema',
         'zope.security',
diff --git a/src/zope/securitypolicy/role.py b/src/zope/securitypolicy/role.py
index a71f0bc..8eb5798 100644
--- a/src/zope/securitypolicy/role.py
+++ b/src/zope/securitypolicy/role.py
@@ -59,8 +59,8 @@ def setIdOnActivation(role, event):
     >>> role1 = LocalRole('Role 1', 'A first role')
     >>> role1.id
     u'<role not activated>'
-    >>> import zope.component.interfaces
-    >>> event = zope.component.interfaces.Registered(
+    >>> import zope.interface.interfaces
+    >>> event = zope.interface.interfaces.Registered(
     ...     Registration(role1, 'role1'))
 
     Now we pass the event into this function, and the id of the role should be
@@ -87,8 +87,8 @@ def unsetIdOnDeactivation(role, event):
     >>> role1 = LocalRole('Role 1', 'A first role')
     >>> role1.id = 'role1'
 
-    >>> import zope.component.interfaces
-    >>> event = zope.component.interfaces.Unregistered(
+    >>> import zope.interface.interfaces
+    >>> event = zope.interface.interfaces.Unregistered(
     ...     Registration(role1, 'role1'))
 
     Now we pass the event into this function, and the id of the role should be