diff --git a/xml/cl.xml b/xml/cl.xml
index 60bc4634..40ce6e93 100644
--- a/xml/cl.xml
+++ b/xml/cl.xml
@@ -6692,6 +6692,11 @@ server's OpenCL/api-docs repository.
             <require>
                 <type name="CL/cl.h"/>
             </require>
+            <require>
+                <type name="cl_GLint"/>
+                <type name="cl_GLenum"/>
+                <type name="cl_GLuint"/>
+            </require>
             <require>
                 <type name="cl_gl_context_info"/>
             </require>