diff --git a/ChangeLog b/ChangeLog
index c7234730..b38e92ff 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2010-05-17  Federico Di Gregorio  <fog@initd.org>
+
+	* Release 2.2.1.
+
+	* Builds again on Windows.
+
 2010-05-16  Federico Di Gregorio  <fog@initd.org>
 
 	* Release 2.2.0.
diff --git a/NEWS-2.2 b/NEWS-2.2
index 123cafe1..f9c38621 100644
--- a/NEWS-2.2
+++ b/NEWS-2.2
@@ -1,3 +1,10 @@
+What's new in psycopg 2.2.1
+---------------------------
+
+* Bux fixes:
+  - psycopg now builds again on MS Windows.
+
+
 What's new in psycopg 2.2.0
 ---------------------------
 
diff --git a/ZPsycopgDA/DA.py b/ZPsycopgDA/DA.py
index 05dc9ef8..7fe00f57 100644
--- a/ZPsycopgDA/DA.py
+++ b/ZPsycopgDA/DA.py
@@ -16,7 +16,7 @@
 # their work without bothering about the module dependencies.
 
 
-ALLOWED_PSYCOPG_VERSIONS = ('2.2.0',)
+ALLOWED_PSYCOPG_VERSIONS = ('2.2.0','2.2.1')
 
 import sys
 import time
diff --git a/setup.py b/setup.py
index cd4c3ae4..d69cab31 100644
--- a/setup.py
+++ b/setup.py
@@ -55,7 +55,7 @@ from distutils.command.build_ext import build_ext
 from distutils.sysconfig import get_python_inc
 from distutils.ccompiler import get_default_compiler
 
-PSYCOPG_VERSION = '2.2.0'
+PSYCOPG_VERSION = '2.2.1'
 version_flags   = ['dt', 'dec']
 
 PLATFORM_IS_WINDOWS = sys.platform.lower().startswith('win')