diff --git a/science/py-moltemplate/Makefile b/science/py-moltemplate/Makefile
index 7c268844aa6d3..4e8e5744f7b52 100644
--- a/science/py-moltemplate/Makefile
+++ b/science/py-moltemplate/Makefile
@@ -1,5 +1,5 @@
 PORTNAME=	moltemplate
-DISTVERSION=	2.19.14
+DISTVERSION=	2.20.1
 CATEGORIES=	science python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
@@ -20,4 +20,7 @@ USE_PYTHON=	distutils concurrent autoplist
 
 NO_ARCH=	yes
 
+do-test: # testsuite fails to run: https://github.com/jewettaij/moltemplate/issues/65
+	@cd ${WRKSRC} && pytest
+
 .include <bsd.port.mk>
diff --git a/science/py-moltemplate/distinfo b/science/py-moltemplate/distinfo
index f30c2f48e775e..31333f96aeb41 100644
--- a/science/py-moltemplate/distinfo
+++ b/science/py-moltemplate/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1640837554
-SHA256 (moltemplate-2.19.14.tar.gz) = 30d7b0382bdc320264866dd7a2692d266cead6b7f80c04e968143b2a34f19154
-SIZE (moltemplate-2.19.14.tar.gz) = 278379
+TIMESTAMP = 1643087324
+SHA256 (moltemplate-2.20.1.tar.gz) = 7afd49a35716ea6755fb0af757c984743e7dccba47cff380580851c76fcf72f9
+SIZE (moltemplate-2.20.1.tar.gz) = 279692