diff --git a/Makefile b/Makefile
index e92dbcd5f..4c2b76513 100644
--- a/Makefile
+++ b/Makefile
@@ -109,7 +109,7 @@ endif
 ##############################################################################
 
 .PHONY = check help all_lib all samples all clean install uninstall uninstall_all build_one
-VERSION = 3.6.0-3
+VERSION = 3.6.0-4
 
 default: build_one acl_master
 help h:
diff --git a/lib_acl/src/init/acl_init.c b/lib_acl/src/init/acl_init.c
index 876025f7a..af7cf773d 100644
--- a/lib_acl/src/init/acl_init.c
+++ b/lib_acl/src/init/acl_init.c
@@ -25,7 +25,7 @@
 
 #include "init.h"
 
-static char *version = "3.6.0-3 20221229-17:30";
+static char *version = "3.6.0-4 20230119-15:20";
 
 const char *acl_version(void)
 {
diff --git a/packaging/acl-libs.spec b/packaging/acl-libs.spec
index 0c4b2ad59..4efb00815 100644
--- a/packaging/acl-libs.spec
+++ b/packaging/acl-libs.spec
@@ -1,4 +1,4 @@
-%define release_id 3
+%define release_id 4
 
 Summary:        The powerful c/c++ library
 Name:           acl-libs
@@ -45,6 +45,11 @@ rm -rf %{buildroot}
 
 %changelog
 
+* Thu Jan 19 2023 shuxin.zheng shuxin.zheng@qq.com 3.6.0-4-20230119.15
+- feature: add fiber's stack backtrace
+- feature: add fiber mutex dead lock checking
+- feature: hook fcntl API on Linux for Rust user
+
 * Thu Dec 29 2022 shuxin.zheng shuxin.zheng@qq.com 3.6.0-3-20221229.17
 - optimize: use AVL to handle the global timer to improve the timer's performance
 - optimize: fiber_cond use the global timer module