diff --git a/www/py-pyjwt/Makefile b/www/py-pyjwt/Makefile
index 842a090e46c0..a829758e37ae 100644
--- a/www/py-pyjwt/Makefile
+++ b/www/py-pyjwt/Makefile
@@ -18,6 +18,8 @@ USE_PYTHON=	autoplist concurrent distutils
 
 NO_ARCH=	yes
 
+CONFLICTS_INSTALL=	${PYTHON_PKGNAMEPREFIX}-pyjwt1
+
 CPE_VENDOR=	pyjwt_project
 
 OPTIONS_DEFINE=	CRYPTO
diff --git a/www/py-pyjwt1/Makefile b/www/py-pyjwt1/Makefile
index 756aa5a53245..61b79e3e4973 100644
--- a/www/py-pyjwt1/Makefile
+++ b/www/py-pyjwt1/Makefile
@@ -20,6 +20,8 @@ TEST_DEPENDS=	${PYTHON_PKGNAMEPREFIX}pytest>0:devel/py-pytest@${PY_FLAVOR} \
 USES=		python:3.6+
 USE_PYTHON=	distutils concurrent autoplist
 
+CONFLICTS_INSTALL=	${PYTHON_PKGNAMEPREFIX}-pyjwt
+
 OPTIONS_DEFINE=	RSASSA
 
 RSASSA_DESC=		RSASSA-PKCS1 v1.5 signature support