diff --git a/security/py-krb5/Makefile b/security/py-krb5/Makefile
index 587bab4e609e..b6d1b0cfc343 100644
--- a/security/py-krb5/Makefile
+++ b/security/py-krb5/Makefile
@@ -1,5 +1,5 @@
 PORTNAME=	krb5
-PORTVERSION=	0.5.0
+PORTVERSION=	0.5.1
 CATEGORIES=	security python
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
@@ -11,7 +11,7 @@ WWW=		https://github.com/jborean93/pykrb5
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
-BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}cython>=0.29.29<3.0.0:lang/cython@${PY_FLAVOR}
+BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}cython>=0.29.32<4.0.0:lang/cython@${PY_FLAVOR}
 
 USES=		python
 USE_PYTHON=	autoplist concurrent cython distutils
diff --git a/security/py-krb5/distinfo b/security/py-krb5/distinfo
index c60dd7b9c4a4..3b1862331469 100644
--- a/security/py-krb5/distinfo
+++ b/security/py-krb5/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1677771353
-SHA256 (krb5-0.5.0.tar.gz) = 33d6cf20ff9710cffb883136387fabc906360de1bce58bcd5673c4bb420e1657
-SIZE (krb5-0.5.0.tar.gz) = 220969
+TIMESTAMP = 1693334015
+SHA256 (krb5-0.5.1.tar.gz) = 7125ee240dad951cc0a71e567c51b215238e490e87ad67b1af9a69dd90e63bca
+SIZE (krb5-0.5.1.tar.gz) = 221059