diff --git a/science/py-arch/Makefile b/science/py-arch/Makefile
index c1bfc19c0072..8453faaae6d6 100644
--- a/science/py-arch/Makefile
+++ b/science/py-arch/Makefile
@@ -1,33 +1,32 @@
 PORTNAME=	arch
-DISTVERSION=	5.3.1
-PORTREVISION=	1
+DISTVERSION=	5.5.0
 CATEGORIES=	science python # economics
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Autoregressive Conditional Heteroskedasticity (ARCH) models
 WWW=		https://github.com/RomelTorres/alpha_vantage
 
 LICENSE=	BSD3CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE.md
 
 PY_DEPENDS=	${PYNUMPY} \
 		${PYTHON_PKGNAMEPREFIX}pandas>=1.0:math/py-pandas@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}property-cached>=1.6.4:devel/py-property-cached@${PY_FLAVOR}  \
 		${PYTHON_PKGNAMEPREFIX}scipy>=1.3:science/py-scipy@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}statsmodels>=0.11:math/py-statsmodels@${PY_FLAVOR}
 BUILD_DEPENDS=	${PY_DEPENDS}
 RUN_DEPENDS=	${PY_DEPENDS}
 
 USES=		python:3.8+
 USE_PYTHON=	distutils cython autoplist pytest
 
 TEST_WRKSRC=	${WRKSRC}/arch/tests
 
 post-install:
 	@${STRIP_CMD} \
 		${STAGEDIR}${PYTHON_SITELIBDIR}/arch/bootstrap/_samplers${PYTHON_EXT_SUFFIX}.so \
 		${STAGEDIR}${PYTHON_SITELIBDIR}/arch/univariate/recursions${PYTHON_EXT_SUFFIX}.so
 
 .include <bsd.port.mk>
diff --git a/science/py-arch/distinfo b/science/py-arch/distinfo
index 3a44c942e6c2..9dae10f45350 100644
--- a/science/py-arch/distinfo
+++ b/science/py-arch/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1672085658
-SHA256 (arch-5.3.1.tar.gz) = 106f15c8770a34f71239b6c88f8517814e6b7fea3b8f2e009b3a8a23fd7e77c2
-SIZE (arch-5.3.1.tar.gz) = 3086255
+TIMESTAMP = 1682583751
+SHA256 (arch-5.5.0.tar.gz) = 00f64304c6fae83ce9e38e54b5cad273ee1171dc8347c793a7a66212c5205848
+SIZE (arch-5.5.0.tar.gz) = 3386547