diff --git a/python-pyasn1.spec b/python-pyasn1.spec
index 7edad3b92cb56d8dad5901e818da5c3f6f8aabb2..dda76de2b21d9b7fe748bc11f4727056d34b9e60 100644
--- a/python-pyasn1.spec
+++ b/python-pyasn1.spec
@@ -1,6 +1,6 @@
 Name:           python-pyasn1
 Version:        0.3.7
-Release:        7
+Release:        8
 Summary:        ASN.1 library for Python
 License:        BSD
 Source0:        https://github.com/etingof/pyasn1/archive/v%{version}.tar.gz
@@ -8,7 +8,7 @@ Source1:        https://github.com/etingof/pyasn1-modules/archive/v0.1.5.tar.gz
 URL:            http://pyasn1.sourceforge.net/
 BuildArch:      noarch
 BuildRequires:  python2-devel python2-setuptools python3-devel python3-setuptools
-BuildRequires:  python-unversioned-command python2-sphinx libffi
+BuildRequires:  python-unversioned-command python3-sphinx libffi
 
 %description
 Abstract Syntax Notation One (ASN.1) is a technology for exchanging structured data
@@ -41,7 +41,7 @@ Pyasn1 in python 3.
 
 %package        help
 Summary:        Documentation for python-pyasn1
-BuildRequires:  python2-sphinx
+BuildRequires:  python3-sphinx
 Provides:       python-pyasn1-doc
 Obsoletes:      python-pyasn1-doc
 
@@ -115,6 +115,9 @@ cd -
 %doc doc/build/html/*
 
 %changelog
+* Thu Feb 20 2020 openEuler Buildteam <buildteam@openeuler.org> - 0.3.7-8
+- Revise build requires of python-sphinx
+
 * Tue Jan 21 2020 openEuler Buildteam <buildteam@openeuler.org> - 0.3.7-7
 - Revise build requires