diff --git a/.gitignore b/.gitignore
index 8513ce5..677987b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -25,3 +25,4 @@ clog
 /oiio-Release-1.4.14.tar.gz
 /oiio-Release-1.4.15.tar.gz
 /oiio-Release-1.4.16.tar.gz
+/oiio-Release-1.5.10.tar.gz
diff --git a/OpenImageIO.spec b/OpenImageIO.spec
index 6fc0f10..c3f6093 100644
--- a/OpenImageIO.spec
+++ b/OpenImageIO.spec
@@ -2,8 +2,8 @@
 #global beta beta1
 
 Name:           OpenImageIO
-Version:        1.4.16
-Release:        2%{?dist}
+Version:        1.5.10
+Release:        1%{?dist}
 Summary:        Library for reading and writing images
 
 Group:          Development/Libraries
@@ -160,6 +160,9 @@ cp -a src/doc/*.1 %{buildroot}%{_mandir}/man1
 
 
 %changelog
+* Tue Jan 27 2015 Richard Shaw <hobbes1069@gmail.com> - 1.5.10-1
+- Update to latest upstream release.
+
 * Tue Jan 27 2015 Petr Machata <pmachata@redhat.com> - 1.4.16-2
 - Rebuild for boost 1.57.0
 
diff --git a/sources b/sources
index ba30690..337a777 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-513be3fdc0b6771e9356421463d4019f  oiio-Release-1.4.16.tar.gz
+6baca6bddde4163a880517ec52e281cf  oiio-Release-1.5.10.tar.gz