diff --git a/Doc/lib/libunicodedata.tex b/Doc/lib/libunicodedata.tex
index add00c9..a6d9d43 100644
--- a/Doc/lib/libunicodedata.tex
+++ b/Doc/lib/libunicodedata.tex
@@ -117,3 +117,10 @@
 \versionadded{2.3}
 \end{funcdesc}
 
+In addition, the module exposes the following constant:
+
+\begin{datadesc}{unidata_version}
+The version of the Unicode database used in this module.
+
+\versionadded{2.3}
+\end{datadesc}
\ No newline at end of file
diff --git a/Modules/unicodedata.c b/Modules/unicodedata.c
index c5ba6fc..71fdcb0 100644
--- a/Modules/unicodedata.c
+++ b/Modules/unicodedata.c
@@ -881,6 +881,8 @@
     if (!m)
         return;
 
+    PyModule_AddStringConstant(m, "unidata_version", UNIDATA_VERSION);
+
     /* Export C API */
     v = PyCObject_FromVoidPtr((void *) &hashAPI, NULL);
     if (v != NULL)
diff --git a/Modules/unicodedata_db.h b/Modules/unicodedata_db.h
index 94f3809..0007a2b 100644
--- a/Modules/unicodedata_db.h
+++ b/Modules/unicodedata_db.h
@@ -1,5 +1,6 @@
-/* this file was generated by Tools/unicode/makeunicodedata.py 2.1 */
+/* this file was generated by Tools/unicode/makeunicodedata.py 2.2 */
 
+#define UNIDATA_VERSION "3.2.0"
 /* a list of unique database records */
 const _PyUnicode_DatabaseRecord _PyUnicode_Database_Records[] = {
     {0, 0, 0, 0},
diff --git a/Modules/unicodename_db.h b/Modules/unicodename_db.h
index 55b4ef0..6ccf45f 100644
--- a/Modules/unicodename_db.h
+++ b/Modules/unicodename_db.h
@@ -1,4 +1,4 @@
-/* this file was generated by Tools/unicode/makeunicodedata.py 2.1 */
+/* this file was generated by Tools/unicode/makeunicodedata.py 2.2 */
 
 #define NAME_MAXLEN 256
 
diff --git a/Objects/unicodetype_db.h b/Objects/unicodetype_db.h
index 338b6b4..45ffa93 100644
--- a/Objects/unicodetype_db.h
+++ b/Objects/unicodetype_db.h
@@ -1,4 +1,4 @@
-/* this file was generated by Tools/unicode/makeunicodedata.py 2.1 */
+/* this file was generated by Tools/unicode/makeunicodedata.py 2.2 */
 
 /* a list of unique character type descriptors */
 const _PyUnicode_TypeRecord _PyUnicode_TypeRecords[] = {
diff --git a/Tools/unicode/makeunicodedata.py b/Tools/unicode/makeunicodedata.py
index f7dcad5..c948312 100644
--- a/Tools/unicode/makeunicodedata.py
+++ b/Tools/unicode/makeunicodedata.py
@@ -1,7 +1,7 @@
 #
 # (re)generate unicode property and type databases
 #
-# this script converts a unicode 3.0 database file to
+# this script converts a unicode 3.2 database file to
 # Modules/unicodedata_db.h, Modules/unicodename_db.h,
 # and Objects/unicodetype_db.h
 #
@@ -17,6 +17,7 @@
 # 2002-10-18 mvl  update to Unicode 3.2
 # 2002-10-22 mvl  generate NFC tables
 # 2002-11-24 mvl  expand all ranges, sort names version-independently
+# 2002-11-25 mvl  add UNIDATA_VERSION
 #
 # written by Fredrik Lundh (fredrik@pythonware.com)
 #
@@ -24,8 +25,10 @@
 import sys
 
 SCRIPT = sys.argv[0]
-VERSION = "2.1"
+VERSION = "2.2"
 
+# The Unicode Database
+UNIDATA_VERSION = "3.2.0"
 UNICODE_DATA = "UnicodeData.txt"
 COMPOSITION_EXCLUSIONS = "CompositionExclusions.txt"
 
@@ -192,6 +195,7 @@
     fp = open(FILE, "w")
     print >>fp, "/* this file was generated by %s %s */" % (SCRIPT, VERSION)
     print >>fp
+    print >>fp, '#define UNIDATA_VERSION "%s"' % UNIDATA_VERSION
     print >>fp, "/* a list of unique database records */"
     print >>fp, \
           "const _PyUnicode_DatabaseRecord _PyUnicode_Database_Records[] = {"