diff --git a/libusb.spec b/libusb.spec
index f946748..7fde72d 100644
--- a/libusb.spec
+++ b/libusb.spec
@@ -1,6 +1,6 @@
 Name:          libusb
 Version:       1.0.19
-Release:       2mamba
+Release:       3mamba
 Summary:       A library that provides generic access to USB devices
 Group:         System/Libraries
 Vendor:        openmamba
@@ -36,6 +36,8 @@ Provides:      libusb-devel
 Obsoletes:     libusb-devel
 Provides:      libusb1-devel
 Obsoletes:     libusb1-devel
+Provides:      libusbx-devel
+Obsoletes:     libusbx-devel
 Requires:      pkg-config
 
 %description devel
@@ -78,6 +80,9 @@ ln -sf libusb-1.0.so.0 %{buildroot}%{_libdir}/libusb-1.0.so.2
 %doc ChangeLog NEWS README TODO
 
 %changelog
+* Thu Dec 25 2014 Silvan Calarco <silvan.calarco@mambasoft.it> 1.0.19-3mamba
+- libusb-devel: provide libusbx-devel
+
 * Tue Dec 09 2014 Silvan Calarco <silvan.calarco@mambasoft.it> 1.0.19-2mamba
 - rebuilt after multiple obsoletion problems causing loss of binary packages