diff --git a/cpp-httplib.spec b/cpp-httplib.spec
index 72e2d957ab9f2c433801ac9b20ddb8c8888343fb..79db5faeab18813202904b2960ff4a587d6443d2 100644
--- a/cpp-httplib.spec
+++ b/cpp-httplib.spec
@@ -2,13 +2,14 @@
 
 Name:    cpp-httplib
 Version: 0.5.12
-Release: 2
+Release: 3
 Summary: A C++ header-only HTTP/HTTPS server and client library 
 License: MIT
 URL:	 https://github.com/yhirose/cpp-httplib
 Source0: https://github.com/yhirose/cpp-httplib/archive/v%{version}.tar.gz#/%{name}-%{version}.tar.gz
 
 BuildArch:      noarch
+Requires:       openssl-devel, glibc-devel, zlib-devel
 
 %description
 A C++11 single-file header-only cross platform HTTP/HTTPS library.
@@ -24,6 +25,7 @@ install -d %{buildroot}/%{_includedir}
 install -m0644 httplib.h %{buildroot}/%{_includedir}
 install -d %{buildroot}/%{_docdir}/%{name}
 cp -r example %{buildroot}/%{_docdir}/%{name}
+cp %{buildroot}/%{_includedir}/httplib.h %{buildroot}/%{_docdir}/%{name}
 
 
 %pre
@@ -37,9 +39,13 @@ cp -r example %{buildroot}/%{_docdir}/%{name}
 %license  LICENSE
 %doc README.md appveyor.yml split.py
 %{_includedir}/*
-%{_docdir}/%{name}/example/*
+%{_docdir}/%{name}/httplib.h
+%{_docdir}/%{name}/example
 
 %changelog
+* Wed Mar 03 2021 Liu Gang <liuganga@uniontech.com>
+- cp httplib.h to doc dir for make example
+
 * Mon Oct 12 2020 liqingqing_1229 <liqingqing3@huawei.com>
 - update source0's url