diff --git a/trunk/doc/CHANGELOG.md b/trunk/doc/CHANGELOG.md
index 116255185e..500af385f4 100644
--- a/trunk/doc/CHANGELOG.md
+++ b/trunk/doc/CHANGELOG.md
@@ -7,6 +7,7 @@ The changelog for SRS.
 <a name="v6-changes"></a>
 
 ## SRS 6.0 Changelog
+* v6.0, 2024-04-22, Merge [#4033](https://github.com/ossrs/srs/pull/4033): issue #3967: support x509 certification chiain in single pem file. v6.0.122 (#4033)
 * v6.0, 2024-03-26, Filter JSONP callback function name. v6.0.121
 * v6.0, 2024-03-26, Merge [#3995](https://github.com/ossrs/srs/pull/3995): Build: Refine workflow for cygwin and remove scorecard. v6.0.120 (#3995)
 * v6.0, 2024-03-26, Merge [#4005](https://github.com/ossrs/srs/pull/4005): Build: Fix module failed for  main_ingest_hls and mp4_parser. v6.0.119 (#4005)
@@ -132,6 +133,7 @@ The changelog for SRS.
 <a name="v5-changes"></a>
 
 ## SRS 5.0 Changelog
+* v5.0, 2024-04-22, Merge [#4033](https://github.com/ossrs/srs/pull/4033): issue #3967: support x509 certification chiain in single pem file. v5.0.211 (#4033)
 * v5.0, 2024-03-26, Filter JSONP callback function name. v5.0.210
 * v5.0, 2024-03-19, Merge [#3990](https://github.com/ossrs/srs/pull/3990): System: Disable feature that obtains versions and check features status. v5.0.209 (#3990)
 * v5.0, 2024-02-06, Merge [#3920](https://github.com/ossrs/srs/pull/3920): WHIP: Fix bug for converting WHIP to RTMP/HLS. v5.0.208 (#3920)
diff --git a/trunk/src/app/srs_app_conn.cpp b/trunk/src/app/srs_app_conn.cpp
index ecbdb4b40c..7652be15b7 100644
--- a/trunk/src/app/srs_app_conn.cpp
+++ b/trunk/src/app/srs_app_conn.cpp
@@ -772,7 +772,7 @@ srs_error_t SrsSslConnection::handshake(string key_file, string crt_file)
     int r0, r1, size;
 
     // Setup the key and cert file for server.
-    if ((r0 = SSL_use_certificate_file(ssl, crt_file.c_str(), SSL_FILETYPE_PEM)) != 1) {
+    if ((r0 = SSL_use_certificate_chain_file(ssl, crt_file.c_str())) != 1) {
         return srs_error_new(ERROR_HTTPS_KEY_CRT, "use cert %s", crt_file.c_str());
     }
 
diff --git a/trunk/src/core/srs_core_version5.hpp b/trunk/src/core/srs_core_version5.hpp
index bbd2af29c9..9f30104b24 100644
--- a/trunk/src/core/srs_core_version5.hpp
+++ b/trunk/src/core/srs_core_version5.hpp
@@ -9,6 +9,6 @@
 
 #define VERSION_MAJOR       5
 #define VERSION_MINOR       0
-#define VERSION_REVISION    210
+#define VERSION_REVISION    211
 
 #endif
diff --git a/trunk/src/core/srs_core_version6.hpp b/trunk/src/core/srs_core_version6.hpp
index e19b872bfe..c1e3072a3c 100644
--- a/trunk/src/core/srs_core_version6.hpp
+++ b/trunk/src/core/srs_core_version6.hpp
@@ -9,6 +9,6 @@
 
 #define VERSION_MAJOR       6
 #define VERSION_MINOR       0
-#define VERSION_REVISION    121
+#define VERSION_REVISION    122
 
 #endif