diff --git a/pysmi-1.5.0.tar.gz b/pysmi-1.5.0.tar.gz
deleted file mode 100644
index a1b9441..0000000
--- a/pysmi-1.5.0.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:e42bcd3961de71d58186f7a7fa6adac133701ae74cd19e6376289d89593b0af2
-size 124064
diff --git a/pysmi-1.5.4.tar.gz b/pysmi-1.5.4.tar.gz
new file mode 100644
index 0000000..a7a3493
--- /dev/null
+++ b/pysmi-1.5.4.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:cffc1d018325d1810ad4554589ad113575dd2ae071409feb1fe1e1f0b56cd236
+size 122568
diff --git a/python-pysmi.changes b/python-pysmi.changes
index c1cfc49..5453f05 100644
--- a/python-pysmi.changes
+++ b/python-pysmi.changes
@@ -1,3 +1,19 @@
+-------------------------------------------------------------------
+Sun Oct 20 18:57:03 UTC 2024 - Dirk Müller <dmueller@suse.com>
+
+- update to 1.5.4:
+  * Fixed a runtime error in pysnmp.
+  * Fixed a runtime error in pysnmp.
+  * Fixed a few runtime errors.
+  * Removed Python 3.8 support.
+  * Added Python 3.13 support.
+  * Renamed many items to meet PEP 8 requirements.
+    Compatibility layer is added, but will be removed in the
+    next release.
+  * Fixed a bug that Windows version and user name were not
+    correctly detected.
+- drop support-new-pyasn1.patch (upstream)
+
 -------------------------------------------------------------------
 Wed Oct  9 06:31:17 UTC 2024 - Steve Kowalik <steven.kowalik@suse.com>
 
diff --git a/python-pysmi.spec b/python-pysmi.spec
index 7bb805e..ed7528c 100644
--- a/python-pysmi.spec
+++ b/python-pysmi.spec
@@ -31,14 +31,12 @@
 %bcond_with test
 %endif
 Name:           python-pysmi%{psuffix}
-Version:        1.5.0
+Version:        1.5.4
 Release:        0
 Summary:        SNMP SMI/MIB Parser
 License:        BSD-2-Clause
 URL:            https://github.com/lextudio/pysmi
 Source:         https://files.pythonhosted.org/packages/source/p/pysmi/pysmi-%{version}.tar.gz
-# PATCH-FIX-UPSTREAM gh#lextudio/pysmi#5
-Patch0:         support-new-pyasn1.patch
 BuildRequires:  %{python_module base >= 3.8}
 BuildRequires:  %{python_module pip}
 BuildRequires:  %{python_module poetry-core}
diff --git a/support-new-pyasn1.patch b/support-new-pyasn1.patch
deleted file mode 100644
index 9656f14..0000000
--- a/support-new-pyasn1.patch
+++ /dev/null
@@ -1,69 +0,0 @@
-From 01d0774948da432f39c5a89622d676e91b8c47af Mon Sep 17 00:00:00 2001
-From: Steve Kowalik <steven@wedontsleep.org>
-Date: Wed, 9 Oct 2024 17:20:45 +1100
-Subject: [PATCH] Remove use of str2octs from pyasn1
-
-pyasn1 has been removing all Python 2 code from its codebase, and the
-octets module has been removed from 0.6.1 onwards. Since we only support
-Python 3.8, we can remove it and just encode to bytes.
----
- tests/test_objecttype_smiv2_pysnmp.py | 11 +++++------
- 1 file changed, 5 insertions(+), 6 deletions(-)
-
-diff --git a/tests/test_objecttype_smiv2_pysnmp.py b/tests/test_objecttype_smiv2_pysnmp.py
-index fdec37e..b374332 100644
---- a/tests/test_objecttype_smiv2_pysnmp.py
-+++ b/tests/test_objecttype_smiv2_pysnmp.py
-@@ -13,7 +13,6 @@
- except ImportError:
-     import unittest
- 
--from pyasn1.compat.octets import str2octs
- from pysmi.parser.smi import parserFactory
- from pysmi.codegen.pysnmp import PySnmpCodeGen
- from pysmi.codegen.symtable import SymtableCodeGen
-@@ -75,7 +74,7 @@ def testObjectTypeStatus(self):
-     # TODO:revisit
-     #    def testObjectTypeReference(self):
-     #        self.assertEqual(
--    #            self.ctx['testObjectType'].getReference(), str2octs('ABC'),
-+    #            self.ctx['testObjectType'].getReference(), 'ABC'.encode('iso-8859-1'),
-     #            'bad REFERENCE'
-     #        )
- 
-@@ -335,7 +334,7 @@ def setUp(self):
-     # TODO: pyasn1 does not like OctetString.defaultValue
-     def testObjectTypeSyntax(self):
-         self.assertEqual(
--            self.ctx["testObjectType"].getSyntax(), str2octs("test value"), "bad DEFVAL"
-+            self.ctx["testObjectType"].getSyntax(), "test value".encode('iso-8859-1'), "bad DEFVAL"
-         )
- 
- 
-@@ -374,7 +373,7 @@ def setUp(self):
-     def testObjectTypeSyntax(self):
-         self.assertEqual(
-             self.ctx["testObjectType"].getSyntax(),
--            str2octs("\\ntest\nvalue\\"),
-+            "\\ntest\nvalue\\".encode('iso-8859-1'),
-             "bad DEFVAL",
-         )
- 
-@@ -488,7 +487,7 @@ def setUp(self):
-     def testObjectTypeSyntax(self):
-         self.assertEqual(
-             self.ctx["testObjectType"].getSyntax().clone(""),
--            str2octs(""),
-+            "".encode('iso-8859-1'),
-             "bad size constrained SYNTAX",
-         )
- 
-@@ -526,7 +525,7 @@ def setUp(self):
-     def testObjectTypeSyntax(self):
-         self.assertEqual(
-             self.ctx["testObjectType"].getSyntax().clone(("set",)),
--            str2octs("@"),
-+            "@".encode('iso-8859-1'),
-             "bad BITS SYNTAX",
-         )
-