diff --git a/security/py-krb5/Makefile b/security/py-krb5/Makefile
index 3b074ce54db8f..674d5fac60d0b 100644
--- a/security/py-krb5/Makefile
+++ b/security/py-krb5/Makefile
@@ -1,7 +1,7 @@
 # Created by: Po-Chuan Hsieh <sunpoet@FreeBSD.org>
 
 PORTNAME=	krb5
-PORTVERSION=	0.2.0
+PORTVERSION=	0.3.0
 CATEGORIES=	security python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
diff --git a/security/py-krb5/distinfo b/security/py-krb5/distinfo
index d9a1a39d55463..01a441a14ac43 100644
--- a/security/py-krb5/distinfo
+++ b/security/py-krb5/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1635181095
-SHA256 (krb5-0.2.0.tar.gz) = 67df5e0f974ea97d4bfb4ef8f8cc4a2172894b6cdba01f3315f33abcfb2cc41b
-SIZE (krb5-0.2.0.tar.gz) = 1086940
+TIMESTAMP = 1646058122
+SHA256 (krb5-0.3.0.tar.gz) = 1d97da68aa8e563bedbbd5ac5fd02d3d84023b3526fd4df20dcbf7a89ee65d58
+SIZE (krb5-0.3.0.tar.gz) = 1707212
diff --git a/security/py-krb5/files/patch-build_helpers-heimdal-include-krb5.h b/security/py-krb5/files/patch-build_helpers-heimdal-include-krb5.h
new file mode 100644
index 0000000000000..857928afdff6e
--- /dev/null
+++ b/security/py-krb5/files/patch-build_helpers-heimdal-include-krb5.h
@@ -0,0 +1,14 @@
+--- build_helpers/heimdal/include/krb5.h.orig	2022-02-16 07:12:32 UTC
++++ build_helpers/heimdal/include/krb5.h
+@@ -847,7 +847,11 @@ enum {
+     KRB5_PRINCIPAL_PARSE_NO_REALM = 1, /**< Require that there are no realm */
+     KRB5_PRINCIPAL_PARSE_REQUIRE_REALM = 2, /**< Require a realm present */
+     KRB5_PRINCIPAL_PARSE_ENTERPRISE = 4, /**< Parse as a NT-ENTERPRISE name */
++#if defined(KRB5_PRINCIPAL_PARSE_IGNORE_REALM)
+     KRB5_PRINCIPAL_PARSE_IGNORE_REALM = 8, /**< Ignore realm if present */
++#elif defined(KRB5_PRINCIPAL_PARSE_NO_REALM)
++    KRB5_PRINCIPAL_PARSE_NO_REALM = 8, /**< Ignore realm if present */
++#endif
+     KRB5_PRINCIPAL_PARSE_NO_DEF_REALM = 16 /**< Don't default the realm */
+ };
+ 
diff --git a/security/py-krb5/files/patch-src-krb5-_principal.c b/security/py-krb5/files/patch-src-krb5-_principal.c
index bd1158b9c18c3..54911494578a0 100644
--- a/security/py-krb5/files/patch-src-krb5-_principal.c
+++ b/security/py-krb5/files/patch-src-krb5-_principal.c
@@ -1,14 +1,14 @@
---- src/krb5/_principal.c.orig	2021-09-13 20:29:39 UTC
+--- src/krb5/_principal.c.orig	2022-02-16 07:13:01 UTC
 +++ src/krb5/_principal.c
-@@ -18669,7 +18669,11 @@ if (!__Pyx_RefNanny) {
+@@ -19168,7 +19168,11 @@ if (!__Pyx_RefNanny) {
   * 
   * 
   */
 +#if defined(KRB5_PRINCIPAL_PARSE_IGNORE_REALM)
-   __pyx_t_4 = __Pyx_PyInt_From_int32_t(KRB5_PRINCIPAL_PARSE_IGNORE_REALM); if (unlikely(!__pyx_t_4)) __PYX_ERR(1, 68, __pyx_L1_error)
+   __pyx_t_4 = __Pyx_PyInt_From_int32_t(KRB5_PRINCIPAL_PARSE_IGNORE_REALM); if (unlikely(!__pyx_t_4)) __PYX_ERR(1, 74, __pyx_L1_error)
 +#elif defined(KRB5_PRINCIPAL_PARSE_NO_REALM)
-+  __pyx_t_4 = __Pyx_PyInt_From_int32_t(KRB5_PRINCIPAL_PARSE_NO_REALM); if (unlikely(!__pyx_t_4)) __PYX_ERR(1, 68, __pyx_L1_error)
++  __pyx_t_4 = __Pyx_PyInt_From_int32_t(KRB5_PRINCIPAL_PARSE_NO_REALM); if (unlikely(!__pyx_t_4)) __PYX_ERR(1, 74, __pyx_L1_error)
 +#endif
    __Pyx_GOTREF(__pyx_t_4);
-   if (__Pyx_SetNameInClass(__pyx_t_3, __pyx_n_s_ignore_realm, __pyx_t_4) < 0) __PYX_ERR(1, 68, __pyx_L1_error)
+   if (__Pyx_SetNameInClass(__pyx_t_3, __pyx_n_s_ignore_realm, __pyx_t_4) < 0) __PYX_ERR(1, 74, __pyx_L1_error)
    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
diff --git a/security/py-krb5/files/patch-src-krb5-_principal.pyx b/security/py-krb5/files/patch-src-krb5-_principal.pyx
new file mode 100644
index 0000000000000..e035fba96adfd
--- /dev/null
+++ b/security/py-krb5/files/patch-src-krb5-_principal.pyx
@@ -0,0 +1,26 @@
+--- src/krb5/_principal.pyx.orig	2022-02-16 07:12:32 UTC
++++ src/krb5/_principal.pyx
+@@ -59,7 +59,11 @@ cdef extern from "python_krb5.h":
+     int32_t KRB5_PRINCIPAL_PARSE_NO_REALM
+     int32_t KRB5_PRINCIPAL_PARSE_REQUIRE_REALM
+     int32_t KRB5_PRINCIPAL_PARSE_ENTERPRISE
++#if defined(KRB5_PRINCIPAL_PARSE_IGNORE_REALM)
+     int32_t KRB5_PRINCIPAL_PARSE_IGNORE_REALM
++#elif defined(KRB5_PRINCIPAL_PARSE_NO_REALM)
++    int32_t KRB5_PRINCIPAL_PARSE_NO_REALM
++#endif
+ 
+     int32_t KRB5_PRINCIPAL_UNPARSE_SHORT
+     int32_t KRB5_PRINCIPAL_UNPARSE_NO_REALM
+@@ -71,7 +75,11 @@ class PrincipalParseFlags(enum.IntEnum):
+     no_realm = KRB5_PRINCIPAL_PARSE_NO_REALM
+     require_realm = KRB5_PRINCIPAL_PARSE_REQUIRE_REALM
+     enterprise = KRB5_PRINCIPAL_PARSE_ENTERPRISE
++#if defined(KRB5_PRINCIPAL_PARSE_IGNORE_REALM)
+     ignore_realm = KRB5_PRINCIPAL_PARSE_IGNORE_REALM
++#elif defined(KRB5_PRINCIPAL_PARSE_NO_REALM)
++    ignore_realm = KRB5_PRINCIPAL_PARSE_NO_REALM
++#endif
+ 
+ 
+ class PrincipalUnparseFlags(enum.IntEnum):