The present invention relates to a novel polymorph of N-{2-Fluoro-5-[3- (thiophene-2-carbonyl)-pyrazolo[1,5-a] pyrimidin-7-yl]-phenyl}-N-methyl- acetamide, processes for its preparation, its use as a medicament, its use in the manufacture of a medicament, and pharmaceutical compositions comprising the novel polymorph.