diff --git a/cocotb-1.6.2.tar.gz b/cocotb-1.6.2.tar.gz
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Binary files a/cocotb-1.6.2.tar.gz and /dev/null differ
diff --git a/cocotb-1.8.1.tar.gz b/cocotb-1.8.1.tar.gz
new file mode 100644
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diff --git a/python-cocotb.spec b/python-cocotb.spec
index 26f046c565ff37c7f2d277fde856deda7e6ace49..7afeabd688986eaa5430fb811e89043732d8a0da 100644
--- a/python-cocotb.spec
+++ b/python-cocotb.spec
@@ -1,17 +1,18 @@
 %global _empty_manifest_terminate_build 0
 Name:		python-cocotb
-Version:	1.6.2
+Version:	1.8.1
 Release:	1
 Summary:	cocotb is a coroutine based cosimulation library for writing VHDL and Verilog testbenches in Python.
 License:	BSD
 URL:		https://docs.cocotb.org
-Source0:	https://files.pythonhosted.org/packages/14/be/8d10d7204e8f02ae45bd37a65b5ba0450806c1e1937b4cb6272567499dd0/cocotb-1.6.2.tar.gz
+Source0:	https://files.pythonhosted.org/packages/4e/43/e4339bc57886296ca30cc22d6c141a8d66098c71156973bc39c5d119dcb0/cocotb-1.8.1.tar.gz
 
 BuildRequires:  python3-devel
 BuildRequires:  python3dist(setuptools)
 BuildRequires:  python3dist(setuptools-scm)
 BuildRequires:  python3dist(pytest)
 BuildRequires:  gcc, gcc-c++, make
+BuildRequires:  libstdc++-static
 
 ExcludeArch:    s390x
 
@@ -35,7 +36,7 @@ Provides:	python3-cocotb-doc
 cocotb is a coroutine based cosimulation library for writing VHDL and Verilog testbenches in Python.
 
 %prep
-%autosetup -n cocotb-1.6.2
+%autosetup -n cocotb-%{version}
 
 %build
 %py3_build
@@ -74,5 +75,10 @@ mv %{buildroot}/doclist.lst .
 %{_docdir}/*
 
 %changelog
+* Fri Jul 12 2024 Hann <hannannan@kylinos.cn> - 1.8.1-1
+- Update package to version 1.8.1-1
+- Fixed a segmentation fault in Aldec Riviera-PRO that prevented mixed-language simulation from running
+- Fixed the packaging of the source distribution (sdist) to include all necessary files
+
 * Wed Jul 13 2022 wanglianguo <wanglianguo@kylinos.cn> - 1.6.2-1
 - Package Spec generated