diff --git a/libdatrie.spec b/libdatrie.spec
index ac6a81f5d46a2db1f2521844a8f3a8e1b38231af..e65ffda202d6ea186602dc2f8be88813d8d20a55 100644
--- a/libdatrie.spec
+++ b/libdatrie.spec
@@ -1,4 +1,4 @@
-%define anolis_release 5
+%define anolis_release 6
 
 Name:           libdatrie
 Version:        0.2.13
@@ -10,7 +10,7 @@ Source0:        http://linux.thai.net/pub/thailinux/software/libthai/%{name}-%{v
 
 
 BuildRequires:  cmake gcc gcc-c++ automake autoconf autoconf-archive
-BuildRequires:  doxygen
+BuildRequires:  doxygen libtool
 
 
 %description
@@ -83,7 +83,10 @@ LD_LIBRARY_PATH=../datrie/.libs %make_build check
 
 
 %changelog
-* Fri Apr 07 2023 chen_yu_ao <m15927509890@163.com> - 0.2.13-3
+* Wed Apr 12 2023 chen_yu_ao <m15927509890@163.com> - 0.2.13-6
+- fix missing BuildRequires:libtool
+
+* Fri Apr 07 2023 chen_yu_ao <m15927509890@163.com> - 0.2.13-5
 - change spec file format
 
 * Tue Feb 28 2023 chen_yu_ao <m15927509890@163.com> - 0.2.13-4