diff --git a/libvhdi-alpha-20160424.tar.gz b/libvhdi-alpha-20160424.tar.gz
deleted file mode 100644
index d5e3ae6..0000000
--- a/libvhdi-alpha-20160424.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:addce37260e130d5266fbdeae13bcc29dce7d151acc74f4ba563ddc17b324e3a
-size 1409910
diff --git a/libvhdi-alpha-20170223.tar.gz b/libvhdi-alpha-20170223.tar.gz
new file mode 100644
index 0000000..0dc7a66
--- /dev/null
+++ b/libvhdi-alpha-20170223.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5a9fedaab51a14a92320cd672a48a0fa0b014b975d5dcea5d4e944b32bf1498d
+size 1410977
diff --git a/libvhdi.changes b/libvhdi.changes
index 0cdab39..bde5cd6 100644
--- a/libvhdi.changes
+++ b/libvhdi.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Sat Feb 25 17:30:51 UTC 2017 - Greg.Freemyer@gmail.com
+
+- update to v0~20170223
+- change RPM group to Development/Languages/Python
+- review and update libyal dependencies
+
 -------------------------------------------------------------------
 Thu Jul 14 02:32:29 UTC 2016 - Greg.Freemyer@gmail.com
 
diff --git a/libvhdi.spec b/libvhdi.spec
index 6dcaa06..0792a3d 100644
--- a/libvhdi.spec
+++ b/libvhdi.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package libvhdi
 #
-# Copyright (c) 2016 SUSE LINUX GmbH, Nuernberg, Germany.
+# Copyright (c) 2017 SUSE LINUX GmbH, Nuernberg, Germany.
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -17,7 +17,7 @@
 
 
 %define lname	libvhdi1
-%define timestamp 20160424
+%define timestamp 20170223
 Name:           libvhdi
 Version:        0~%{timestamp}
 Release:        0
@@ -31,23 +31,17 @@ Source2:        Virtual_Hard_Disk_VHD_image_format.pdf
 BuildRequires:  pkg-config
 BuildRequires:  pkgconfig(libbfio) >= 20130721
 BuildRequires:  pkgconfig(libcdata) >= 20140105
+BuildRequires:  pkgconfig(libcerror) >= 20170101
 BuildRequires:  pkgconfig(libcfile) >= 20130609
 BuildRequires:  pkgconfig(libclocale) >= 20130609
 BuildRequires:  pkgconfig(libcnotify) >= 20120425
 BuildRequires:  pkgconfig(libcpath) >= 20130609
 BuildRequires:  pkgconfig(libcsplit) >= 20130609
-BuildRequires:  pkgconfig(libcsystem) >= 20120425
 BuildRequires:  pkgconfig(libcthreads) >= 20130723
 BuildRequires:  pkgconfig(libfcache) >= 20120405
 BuildRequires:  pkgconfig(libfdata) >= 20120405
 BuildRequires:  pkgconfig(libfguid) >= 20130317
-BuildRequires:  pkgconfig(libfvalue)
 BuildRequires:  pkgconfig(libuna) >= 20120425
-# fails to build with factory package, use internal
-# verified 8/23/2014
-#BuildRequires:  pkgconfig(libcerror) >= 20140105
-# not (yet) released as packages by upstream (8-23-14)
-#BuildRequires:  pkgconfig(libcstring) >= 20120425
 BuildRequires:  pkgconfig(python2)
 BuildRequires:  pkgconfig(python3)
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
@@ -107,7 +101,7 @@ applications that want to make use of libvhdi.
 %package -n python-%{name}
 Summary:        Python 2 bindings for libvhdi, a VHD image format parser
 License:        LGPL-3.0+
-Group:          Development/Libraries/Python
+Group:          Development/Languages/Python
 Requires:       %{lname} = %{version}
 Requires:       python
 Provides:       pyvhdi
@@ -120,7 +114,7 @@ This package contains Python 2 bindings for libvhdi.
 %package -n python3-%{name}
 Summary:        Python 3 bindings for libvhdi, a VHD image format parser
 License:        LGPL-3.0+
-Group:          Development/Libraries/Python
+Group:          Development/Languages/Python
 Requires:       %{lname} = %{version}
 Requires:       python3
 Provides:       pyvhdi