diff --git a/.gitignore b/.gitignore
index 318ad9d..e38cc98 100644
--- a/.gitignore
+++ b/.gitignore
@@ -34,3 +34,4 @@ clog
 /oiio-Release-1.5.18.tar.gz
 /oiio-Release-1.5.20.tar.gz
 /OpenImageIO-1.5.21.tar.gz
+/OpenImageIO-1.5.22.tar.gz
diff --git a/OpenImageIO.spec b/OpenImageIO.spec
index 059758e..711b2e6 100644
--- a/OpenImageIO.spec
+++ b/OpenImageIO.spec
@@ -2,8 +2,8 @@
 #global beta beta1
 
 Name:           OpenImageIO
-Version:        1.5.21
-Release:        1%{?dist}.1
+Version:        1.5.22
+Release:        1%{?dist}
 Summary:        Library for reading and writing images
 
 Group:          Development/Libraries
@@ -31,6 +31,7 @@ BuildRequires:  zlib-devel
 BuildRequires:  jasper-devel
 BuildRequires:  pugixml-devel
 BuildRequires:  opencv-devel
+BuildRequires:  LibRaw-devel
 
 # WARNING: OpenColorIO and OpenImageIO are cross dependent.
 # If an ABI incompatible update is done in one, the other also needs to be
@@ -172,6 +173,10 @@ cp -a src/doc/*.1 %{buildroot}%{_mandir}/man1
 
 
 %changelog
+* Thu Dec 17 2015 Richard Shaw <hobbes1069@gmail.com> - 1.5.22-1
+- Update to latest upstream release.
+- Add LibRaw to build requirements.
+
 * Wed Dec  2 2015 Richard Shaw <hobbes1069@gmail.com> - 1.5.21-1
 - Update to latest upstream release.
 - Move python bindings to their own subpackage.
diff --git a/sources b/sources
index 9239311..ff9eec6 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-2f2dd61cfa0ae81d829a8c3f5ac03488  OpenImageIO-1.5.21.tar.gz
+fed8b18db1fcf69072a21e66124b70f8  OpenImageIO-1.5.22.tar.gz