diff --git a/devel/py-prance/Makefile b/devel/py-prance/Makefile
index e71f48dd61be..7a1213a5cc66 100644
--- a/devel/py-prance/Makefile
+++ b/devel/py-prance/Makefile
@@ -1,42 +1,42 @@
 # Created by: Po-Chuan Hsieh <sunpoet@FreeBSD.org>
 
 PORTNAME=	prance
-PORTVERSION=	0.21.8.0
+PORTVERSION=	0.21.2
 CATEGORIES=	devel python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	Resolving Swagger/OpenAPI 2.0 and 3.0.0 parser
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE.txt
 
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}chardet>=3.0,1<5.0,1:textproc/py-chardet@${PY_FLAVOR} \
+		${PYTHON_PKGNAMEPREFIX}yaml>=5.3<6:devel/py-yaml@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}requests>=2.25<3:www/py-requests@${PY_FLAVOR} \
-		${PYTHON_PKGNAMEPREFIX}ruamel.yaml>=0.17.10<0.18:devel/py-ruamel.yaml@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}semver>=2.13<3:devel/py-semver@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}six>=1.15<2:devel/py-six@${PY_FLAVOR}
 
 USES=		python:3.4+
 USE_PYTHON=	autoplist concurrent distutils
 
 NO_ARCH=	yes
 
 OPTIONS_DEFINE=	CLI ICU
 OPTIONS_MULTI=	BACKEND
 OPTIONS_MULTI_BACKEND=	FLEX OSV SSV
 OPTIONS_DEFAULT=OSV
 CLI_DESC=	Command-line interface support
 FLEX_DESC=	Use py-flex as backend
 ICU_DESC=	Unicode support
 OSV_DESC=	Use py-openapi-spec-validator as backend
 SSV_DESC=	Use py-swagger-spec-validator as backend
 
 CLI_RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}click>=7.0<8:devel/py-click@${PY_FLAVOR}
 FLEX_RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}flex>=6.13<7:devel/py-flex@${PY_FLAVOR}
 ICU_RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}pyicu>=2.4<3:devel/py-pyicu@${PY_FLAVOR}
 OSV_RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}openapi-spec-validator>=0.2.1:devel/py-openapi-spec-validator@${PY_FLAVOR}
 SSV_RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}swagger-spec-validator>=2.4<3:devel/py-swagger-spec-validator@${PY_FLAVOR}
 
 .include <bsd.port.mk>
diff --git a/devel/py-prance/distinfo b/devel/py-prance/distinfo
index ed2695c66bbb..b61034b38b99 100644
--- a/devel/py-prance/distinfo
+++ b/devel/py-prance/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1637072978
-SHA256 (prance-0.21.8.0.tar.gz) = ce06feef8814c3436645f3b094e91067b1a111bc860a51f239f93437a8d4b00e
-SIZE (prance-0.21.8.0.tar.gz) = 2798613
+TIMESTAMP = 1623697064
+SHA256 (prance-0.21.2.tar.gz) = 43ebe3a5b38f0c65c428427004c4d8ce8d7155ddad50610276c89c192680f138
+SIZE (prance-0.21.2.tar.gz) = 3050118