diff --git a/libfdatetime-alpha-20150104.tar.gz b/libfdatetime-alpha-20150104.tar.gz
deleted file mode 100644
index e25a71a..0000000
--- a/libfdatetime-alpha-20150104.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:88879edae8d8b16d556920f096e4c444add565c9d334644ad31f026275a9f5c7
-size 499678
diff --git a/libfdatetime-alpha-20150507.tar.gz b/libfdatetime-alpha-20150507.tar.gz
new file mode 100644
index 0000000..f13d72c
--- /dev/null
+++ b/libfdatetime-alpha-20150507.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c9fa5293c39a9443dbc9ee39ebf237cfd8f7e8706a1b58b430a8cff634394a33
+size 499705
diff --git a/libfdatetime.changes b/libfdatetime.changes
index dc0081a..ac30541 100644
--- a/libfdatetime.changes
+++ b/libfdatetime.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Wed Jan 27 12:31:00 UTC 2016 - Greg.Freemyer@gmail.com
+
+- update to v0~20150507
+	* fix in POSIX timestamp for missing sign check
+
 -------------------------------------------------------------------
 Thu Jan  8 20:22:36 UTC 2015 - Greg.Freemyer@gmail.com
 
diff --git a/libfdatetime.spec b/libfdatetime.spec
index 266ef73..f8d4b21 100644
--- a/libfdatetime.spec
+++ b/libfdatetime.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package libfdatetime
 #
-# Copyright (c) 2015 SUSE LINUX Products GmbH, Nuernberg, Germany.
+# Copyright (c) 2016 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
@@ -18,7 +18,7 @@
 
 Name:           libfdatetime
 %define lname	libfdatetime1
-%define timestamp 20150104
+%define timestamp 20150507
 Version:        0~%timestamp
 Release:        0
 Summary:        A library for date and time data types