2 files changed, 7 insertions, 1 deletions
diff --git a/CHANGES b/CHANGES
index f3e7b07..4280563 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,9 @@
+Revision 4.1.9b
+---------------
+
+- Internal MIB indexing method __indexMib() unmangled to facilitate
+  setting up mutex there for sharing MIB stuff between threads.
+
 Revision 4.1.9a
 ---------------
 
diff --git a/setup.py b/setup.py
index 4d5feb4..bada931 100644
--- a/setup.py
+++ b/setup.py
@@ -2,7 +2,7 @@
 from distutils.core import setup
 
 setup(name="pysnmp",
-      version="4.1.9a",
+      version="4.1.9b",
       description="SNMP framework for Python",
       author="Ilya Etingof",
       author_email="ilya@glas.net ",