diff --git a/x11/misc/argyllcms/pspec.xml b/x11/misc/argyllcms/pspec.xml
index 5b0d3016c1..e4e098e107 100755
--- a/x11/misc/argyllcms/pspec.xml
+++ b/x11/misc/argyllcms/pspec.xml
@@ -21,6 +21,8 @@
             <Dependency>libXxf86vm-devel</Dependency>
             <Dependency>libXinerama-devel</Dependency>
             <Dependency>libjpeg-turbo-devel</Dependency>
+            <Dependency>libusb-devel</Dependency>
+            <Dependency>libtool</Dependency>            
         </BuildDependencies>
     </Source>