diff --git a/CTL.spec b/CTL.spec
index 69953e7..dbd965c 100644
--- a/CTL.spec
+++ b/CTL.spec
@@ -1,6 +1,6 @@
 Name:           CTL
 Version:        1.5.2
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        The Color Transformation Language
 
 License:        AMPAS BSD
@@ -31,6 +31,8 @@ Summary:        Development files for %{name}
 Requires:       %{name}%{?_isa} = %{version}-%{release}
 Requires:       ilmbase-devel%{?_isa}
 Requires:       OpenEXR-devel%{?_isa}
+Provides:       OpenEXR_CTL-devel = %{version}-%{release}
+Obsoletes:      OpenEXR_CTL-devel < 1.5.2-1
 
 %description    devel
 The %{name}-devel package contains libraries and header files for
@@ -116,6 +118,9 @@ rm -rf %{buildroot}%{_prefix}/doc
 
 
 %changelog
+* Thu Jul 19 2018 Nicolas Chauvet <kwizart@gmail.com> - 1.5.2-2
+- Add Obsoletes/Provides for OpenEXR_CTL
+
 * Tue Jul 17 2018 Nicolas Chauvet <kwizart@gmail.com> - 1.5.2-1
 - Update to 1.5.2
 - Merge OpenEXR_CTL into CTL