diff --git a/openssl-pkcs11.spec b/openssl-pkcs11.spec
index 4e6a6ac6c2668835d6eae1121ac5c062982ff15b..f38373eed1187ee0d5bde7180b0717d237af5a7b 100644
--- a/openssl-pkcs11.spec
+++ b/openssl-pkcs11.spec
@@ -1,6 +1,6 @@
 Name:           openssl-pkcs11
 Version:        0.4.11
-Release:        1
+Release:        2
 Summary:        A PKCS#11 engine for use with OpenSSL
 License:        LGPLv2+ and BSD
 URL:            https://github.com/OpenSC/libp11
@@ -48,6 +48,14 @@ mkdir -p %{buildroot}%{_libdir}/engines-1.1
 %check
 make check
 
+#strip binary files
+pushd %{_builddir}/libp11-%{version}
+find src/.libs -type f -name '*.so*' -exec strip '{}' ';'
+find examples -type f -name '*.o' -exec strip '{}' ';'
+strip examples/.libs/*
+popd
+strip %{buildroot}%{_libdir}/*.a
+
 %pre
 
 %preun
@@ -73,6 +81,9 @@ make check
 %exclude %{_defaultdocdir}/libp11/*
 
 %changelog
+* Tue Mar 30 2021 panxiaohe <panxiaohe@huawei.com> - 0.4.11-2
+- strip binary files
+
 * Sat Jan 23 2021 zoulin <zoulin13@huawei.com> - 0.4.11-1
 - update version to 0.4.11