diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6577182d..99ff59a0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,11 +1,15 @@
 # Change Log
 
-## 8.0.0.1 - Tuesday May 31th 2016 \[May 2016\]
+## 9.0.0 - 2016-12-28
+
+*  Update to Unicode Character Data 9.0.0.
+
+## 8.0.0.1 - 2016-05-31
 
   *  Provide a C API in addition to the C++ API.
   *  Convert the implementation from C++ to C.
 
-## 8.0.0 - Saturday June 6th 2015 \[Jun 2015\]
+## 8.0.0 - 2015-06-06
 
   *  Update to Unicode Character Data 8.0.0.
   *  Detect MacOSX `glibtoolize` in `autogen.sh`.
@@ -13,22 +17,22 @@
      script label to ISO 15924 mapping.
   *  Support enabling the CSUR data via the `--with-csur` configure flag.
 
-## 7.0.0.1 - Saturday July 14th 2014 \[Jul 2014\]
+## 7.0.0.1 - 2014-07-14
 
   *  Remove the ConScript Unicode Registry data from the Script and Category tables.
   *  Fix mapping Script values to string.
 
-## 7.0.0 - Saturday June 28th 2014 \[Jun 2014\]
+## 7.0.0 - 2014-06-28
 
   *  Update to Unicode Character Data 7.0.0.
   *  Updated the script list to support all ISO 15924 scripts.
   *  Add a make target for building the documentation.
 
-## 6.3.0 - Wednesday October 16th 2013 \[Oct 2013\]
+## 6.3.0 - 2013-10-16
 
   *  Update to Unicode Character Data 6.3.0.
 
-## 6.2.0 - Wednesday October 16th 2013 \[Oct 2013\]
+## 6.2.0 - 2013-10-16
 
   *  Use Unicode Character Data 6.2.0.
   *  General Category group and value lookup.
diff --git a/README.md b/README.md
index e6c1ffcd..528d0ac8 100644
--- a/README.md
+++ b/README.md
@@ -29,7 +29,7 @@ several different sources.
 
 ### Unicode Character Database
 
-The following [Unicode Character Database](http://www.unicode.org/Public/7.0.0/ucd/)
+The following [Unicode Character Database](http://www.unicode.org/Public/9.0.0/ucd/)
 files are supported:
 
 *  Blocks
diff --git a/configure.ac b/configure.ac
index 757a0204..c99d67ce 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,5 +1,5 @@
 AC_PREREQ([2.65])
-AC_INIT([Unicode Character Database Tools], [8.0.0.1], [https://github.com/rhdunn/ucd-tools/issues], [ucd-tools], [https://github.com/rhdunn/ucd-tools])
+AC_INIT([Unicode Character Database Tools], [9.0.0], [https://github.com/rhdunn/ucd-tools/issues], [ucd-tools], [https://github.com/rhdunn/ucd-tools])
 AM_INIT_AUTOMAKE()
 
 m4_ifdef([AM_SILENT_RULES],[AM_SILENT_RULES])
@@ -33,10 +33,10 @@ dnl UCD data configuration.
 dnl ================================================================
 
 AC_ARG_WITH([unicode-version],
-    [AS_HELP_STRING([--with-unicode-version], [Unicode version to support @<:@default=8.0.0@:>@])],
+    [AS_HELP_STRING([--with-unicode-version], [Unicode version to support @<:@default=9.0.0@:>@])],
     [AS_IF([test x"$withval" != x],
            [UCD_VERSION="$withval"])],
-    [UCD_VERSION="8.0.0"])
+    [UCD_VERSION="9.0.0"])
 
 AC_SUBST(UCD_VERSION)