diff --git a/openimageio.spec b/openimageio.spec
index ecd9fc3..abf5d22 100644
--- a/openimageio.spec
+++ b/openimageio.spec
@@ -1,6 +1,6 @@
 Name:          openimageio
-Version:       2.5.17.0
-Release:       2mamba
+Version:       2.5.18.0
+Release:       1mamba
 Summary:       Libraries and tools for VFX studios and developers of tools such as renderers, compositors, viewers
 Group:         Applications/Graphics
 Vendor:        openmamba
@@ -49,8 +49,8 @@ BuildRequires: libxml2-devel
 BuildRequires: libz-devel
 BuildRequires: pugixml-devel
 ## AUTOBUILDREQ-END
-BuildRequires: libopencv-devel >= 4.9.0-1mamba
-BuildRequires: libopencolorio-devel >= 1:2.4.0
+BuildRequires: libopencv-devel >= 4.11.0-1mamba
+BuildRequires: libopencolorio-devel >= 1:2.4.1
 BuildRequires: libopenvdb-devel >= 12.0.0
 BuildRequires: libdcmtk-devel >= 3.6.8
 BuildRequires: python-pybind11-devel
@@ -157,6 +157,9 @@ This package contains the Python bindings to OpenImageIO.
 %{python3_sitearch}/OpenImageIO/__init__.py
 
 %changelog
+* Wed Feb 12 2025 Silvan Calarco <silvan.calarco@mambasoft.it> 2.5.18.0-1mamba
+- update to 2.5.18.0
+
 * Sun Jan 05 2025 Silvan Calarco <silvan.calarco@mambasoft.it> 2.5.17.0-2mamba
 - rebuilt with libopenvdb 12.0.0