diff --git a/print/py-pikepdf/Makefile b/print/py-pikepdf/Makefile
index fbaf8f5d467..7ca6cb0aab8 100644
--- a/print/py-pikepdf/Makefile
+++ b/print/py-pikepdf/Makefile
@@ -1,4 +1,4 @@
-# $OpenBSD: Makefile,v 1.1.1.1 2020/11/02 19:49:40 jca Exp $
+# $OpenBSD: Makefile,v 1.2 2020/11/03 12:40:00 jca Exp $
 
 COMMENT =		Python library for reading and writing PDF files
 
@@ -26,7 +26,8 @@ MODPY_PYTEST =		Yes
 FLAVORS =		python3
 FLAVOR =		python3
 
-BUILD_DEPENDS =		devel/py-pybind11${MODPY_FLAVOR}
+BUILD_DEPENDS =		devel/py-pybind11${MODPY_FLAVOR} \
+			devel/py-setuptools_scm${MODPY_FLAVOR}
 RUN_DEPENDS =		graphics/py-Pillow${MODPY_FLAVOR} \
 			textproc/py-lxml${MODPY_FLAVOR}
 LIB_DEPENDS =		print/qpdf