diff --git a/sipsimple/core/__init__.py b/sipsimple/core/__init__.py
index fdbd2083..ffaa09b2 100644
--- a/sipsimple/core/__init__.py
+++ b/sipsimple/core/__init__.py
@@ -1,12 +1,12 @@
 
 from sipsimple.core._core import *
 from sipsimple.core._engine import *
 from sipsimple.core._helpers import *
 from sipsimple.core._primitives import *
 
-required_revision = 181
+required_revision = 182
 if CORE_REVISION != required_revision:
     raise ImportError("Wrong SIP core revision %d (expected %d)" % (CORE_REVISION, required_revision))
 del required_revision