diff --git a/pycryptodomex-3.14.1.tar.gz b/pycryptodomex-3.14.1.tar.gz
deleted file mode 100644
index b1194d5..0000000
Binary files a/pycryptodomex-3.14.1.tar.gz and /dev/null differ
diff --git a/pycryptodomex-3.15.0.tar.gz b/pycryptodomex-3.15.0.tar.gz
new file mode 100644
index 0000000..34558a5
Binary files /dev/null and b/pycryptodomex-3.15.0.tar.gz differ
diff --git a/python-pycryptodomex-3.15.0-use_external_libtomcrypt.patch b/python-pycryptodomex-3.15.0-use_external_libtomcrypt.patch
new file mode 100644
index 0000000..66e683d
--- /dev/null
+++ b/python-pycryptodomex-3.15.0-use_external_libtomcrypt.patch
@@ -0,0 +1,36 @@
+diff -up ./setup.py.bak ./setup.py
+--- ./setup.py.bak	2022-06-22 20:21:37.000000000 +0200
++++ ./setup.py	2022-06-23 11:09:44.260182023 +0200
+@@ -369,10 +369,12 @@ ext_modules = [
+     Extension("Crypto.Cipher._raw_des",
+         include_dirs=['src/', 'src/libtom/'],
+         sources=["src/DES.c"],
++        extra_link_args=["-ltomcrypt"],
+         py_limited_api=True),
+     Extension("Crypto.Cipher._raw_des3",
+         include_dirs=['src/', 'src/libtom/'],
+         sources=["src/DES3.c"],
++        extra_link_args=["-ltomcrypt"],
+         py_limited_api=True),
+     Extension("Crypto.Util._cpuid_c",
+         include_dirs=['src/'],
+@@ -417,6 +419,7 @@ ext_modules = [
+     Extension("Crypto.Cipher._Salsa20",
+         include_dirs=['src/', 'src/libtom/'],
+         sources=["src/Salsa20.c"],
++        extra_link_args=["-ltomcrypt"],
+         py_limited_api=True),
+     Extension("Crypto.Cipher._chacha20",
+         include_dirs=['src/'],
+diff -up ./src/DES.c.bak ./src/DES.c
+--- ./src/DES.c.bak	2022-06-22 20:21:37.000000000 +0200
++++ ./src/DES.c	2022-06-23 11:10:58.166711358 +0200
+@@ -39,7 +39,7 @@ FAKE_INIT(raw_des3)
+ 
+ /* Include the actial DES implementation */
+ #define LTC_NO_PROTOTYPES
+-#include "libtom/tomcrypt_des.c"
++#include <tomcrypt.h>
+ 
+ struct block_state {
+     symmetric_key sk;
diff --git a/python-pycryptodomex.spec b/python-pycryptodomex.spec
index 60f497e..a29037f 100644
--- a/python-pycryptodomex.spec
+++ b/python-pycryptodomex.spec
@@ -1,12 +1,13 @@
 %global _empty_manifest_terminate_build 0
 
 Name:           python-pycryptodomex
-Version:        3.14.1
+Version:        3.15.0
 Release:        1
 Summary:        Cryptographic library for Python
 License:        BSD 2-Clause and Public Domain and Apache-2.0
 URL:            https://www.pycryptodome.org
-Source0:        https://files.pythonhosted.org/packages/24/40/e249ac3845a2333ce50f1bb02299ffb766babdfe80ca9d31e0158ad06afd/pycryptodomex-3.14.1.tar.gz
+Source0:        https://github.com/Legrandin/pycryptodome/archive/v%{version}/pycryptodomex-%{version}.tar.gz
+Patch0:         python-pycryptodomex-3.15.0-use_external_libtomcrypt.patch
 
 %description
 PyCryptodome is a self-contained Python package of low-level cryptographic primitives.
@@ -22,6 +23,7 @@ BuildRequires:  gcc
 BuildRequires:  python3-pbr
 BuildRequires:  python3-pip
 BuildRequires:  python3-wheel
+BuildRequires:  libtomcrypt-devel
 %description -n python3-pycryptodomex
 PyCryptodome is a self-contained Python package of low-level cryptographic primitives.
 
@@ -33,7 +35,7 @@ Provides:       python3-pycryptodomex-doc
 PyCryptodome is a self-contained Python package of low-level cryptographic primitives.
 
 %prep
-%autosetup -n pycryptodomex-%{version}
+%autosetup -n pycryptodome-%{version} -p1
 
 %build
 %py3_build
@@ -76,6 +78,9 @@ mv %{buildroot}/doclist.lst .
 %{_docdir}/*
 
 %changelog
+* Thu Jun 23 2022 SimpleUpdate Robot <tc@openeuler.org> - 3.15.0-1
+- Upgrade to version 3.15.0
+
 * Thu Jun 09 2022 OpenStack_SIG <openstack@openeuler.org> - 3.14.1-1
 - Upgrade package python3-pycryptodomex to version 3.14.1