diff --git a/Makefile b/Makefile
index 40d0963d0675aa61cb31529f4112c43be8b93e20..89f26c30a45db7dce11be6e10dc90d381f2aedd9 100644
--- a/Makefile
+++ b/Makefile
@@ -72,4 +72,7 @@ else
 	hpc report test $(HPCEXCL)
 endif
 
-.PHONY : all doc maintainer-clean clean dist check
+tags:
+	find -name '*.hs' | xargs hasktags -e
+
+.PHONY : all doc maintainer-clean clean dist check tags