diff --git a/CHANGELOG.md b/CHANGELOG.md
index 614ba21e..5311fc63 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,7 @@
 
 * added handling of _*/cluster_heartbeat/id*_ to the _*libmicrohttpd*_ HTTP server
 * server-side optimisations: removed the Unix pipe and the accompanying request/response POSIX threads from three WebSocket event loop functions: <_*ws_event_loop*_>, <_*video_event_loop*_> and <_*pv_event_loop*_>
+* upgraded the _*libx265*_ library version
 
 ## [5.1.7] - 2024-04-09
 
diff --git a/CentOS.md b/CentOS.md
index ee2e2178..305de458 100644
--- a/CentOS.md
+++ b/CentOS.md
@@ -46,10 +46,10 @@ gpgkey=https://yum.repos.intel.com/intel-gpg-keys/GPG-PUB-KEY-INTEL-SW-PRODUCTS.
 
     visit https://www.linuxfromscratch.org/blfs/view/svn/multimedia/x265.html
     
-    wget https://anduin.linuxfromscratch.org/BLFS/x265/x265-20230215.tar.xz
-    xz -d -v x265-20230215.tar.xz
-    tar xvf x265-20230215.tar
-    cd x265-20230215
+    wget https://anduin.linuxfromscratch.org/BLFS/x265/x265-20240216.tar.xz
+    xz -d -v x265-20240216.tar.xz
+    tar xvf x265-20240216.tar
+    cd x265-20240216
 
     Apply a manual change in "source/encoder/api.cpp / x265_encoder_open()":