diff --git a/backport-Don-t-emit-warnings-here-there-s-no-point-137.patch b/backport-Don-t-emit-warnings-here-there-s-no-point-137.patch
new file mode 100644
index 0000000000000000000000000000000000000000..f829dacffc2ece0a3efe6a6fa70c7ca6fd718cbc
--- /dev/null
+++ b/backport-Don-t-emit-warnings-here-there-s-no-point-137.patch
@@ -0,0 +1,30 @@
+From ea76ee82eba1700e1143022050b368460fc9cd7f Mon Sep 17 00:00:00 2001
+From: Alex Gaynor <alex.gaynor@gmail.com>
+Date: Sun, 3 Dec 2017 20:43:38 -0600
+Subject: [PATCH 01/73] Don't emit warnings here, there's no point (#137)
+
+* Don't emit warnings here, there's no point
+
+* whoops here
+---
+ tests/test_bcrypt.py | 4 +++-
+ 1 file changed, 3 insertions(+), 1 deletion(-)
+
+diff --git a/tests/test_bcrypt.py b/tests/test_bcrypt.py
+index 7ad40f7..3f00875 100644
+--- a/tests/test_bcrypt.py
++++ b/tests/test_bcrypt.py
+@@ -400,7 +400,9 @@ def test_checkpw_extra_data():
+         b"\x43\x66\x6c\x9b\x09\xef\x33\xed\x8c\x27\xe8\xe8\xf3\xe2\xd8\xe6"
+     ]])
+ def test_kdf(rounds, password, salt, expected):
+-    derived = bcrypt.kdf(password, salt, len(expected), rounds)
++    derived = bcrypt.kdf(
++        password, salt, len(expected), rounds, ignore_few_rounds=True
++    )
+     assert derived == expected
+ 
+ 
+-- 
+2.23.0
+
diff --git a/python-bcrypt.spec b/python-bcrypt.spec
index a6a3579912ba85515224344d7857fe38526f104d..0ecbbc3e30ce5e566e7cef9ae7f293e0ad83ad77 100644
--- a/python-bcrypt.spec
+++ b/python-bcrypt.spec
@@ -1,11 +1,13 @@
 Name:          python-bcrypt
 Summary:       Good password hashing for your software and your servers
 Version:       3.1.4
-Release:       7
+Release:       8
 License:       ASL 2.0 and Public Domain and BSD
 URL:           http://pypi.python.org/pypi/bcrypt
 Source0:       https://files.pythonhosted.org/packages/source/b/bcrypt/bcrypt-%{version}.tar.gz
 
+Patch6000:    backport-Don-t-emit-warnings-here-there-s-no-point-137.patch
+
 BuildRequires: gcc python2-devel python2-setuptools python2-six python2-pytest python2-cffi
 BuildRequires: python3-devel python3-setuptools python3-cffi python3-six python3-pytest
 
@@ -37,7 +39,7 @@ Good password hashing for your software and your servers.
 This library should be compatible with py-bcrypt and it will run on Python 3.4+ and PyPy 2.6+.
 
 %prep
-%autosetup -n bcrypt-%{version}
+%autosetup -n bcrypt-%{version} -p1
 
 %build
 %{__python2} setup.py build
@@ -69,5 +71,11 @@ This library should be compatible with py-bcrypt and it will run on Python 3.4+
 
 
 %changelog
+* Tue Mar 16 2021 extinctfire <shenyining_00@126.com> - 3.1.4-8
+- Type:bugfix
+- ID:NA
+- SUG:NA
+- DESC:Don't emit warning in test_kdf, there's no point whoops here
+
 * Wed Nov 13 2019 Lijin Yang <yanglijin@huawei.com> - 3.1.4-7
 - init package