Updated BRANCHES.md

Signed-off-by: Minos Galanakis <minos.galanakis@arm.com>
diff --git a/BRANCHES.md b/BRANCHES.md
index f912e95..57d4027 100644
--- a/BRANCHES.md
+++ b/BRANCHES.md
@@ -76,6 +76,6 @@
 - [`development`](https://github.com/Mbed-TLS/mbedtls/)
 - [`mbedtls-2.28`](https://github.com/Mbed-TLS/mbedtls/tree/mbedtls-2.28)
  maintained until at least the end of 2024, see
-  <https://github.com/Mbed-TLS/mbedtls/releases/tag/v2.28.4>.
+  <https://github.com/Mbed-TLS/mbedtls/releases/tag/v2.28.5>.
 
 Users are urged to always use the latest version of a maintained branch.