diff --git a/CONTRIBUTORS.md b/CONTRIBUTORS.md
index f5e9dda91..71df13634 100644
--- a/CONTRIBUTORS.md
+++ b/CONTRIBUTORS.md
@@ -23,6 +23,9 @@
   * Optimization on AMD Piledriver
   * Optimization on Intel Haswell
 
+* Chris Sidebottom <chris.sidebottom@arm.com>
+  * Optimizations and other improvements targeting AArch64
+
 ## Previous Developers
 
 * Zaheer Chothia <zaheer.chothia@gmail.com>
@@ -212,4 +215,4 @@ In chronological order:
   * [2022-03] Support RISC-V Vector Intrinisc 1.0 version.
   
 * Pablo Romero <https://github.com/pablorcum>
-  * [2022-08] Fix building from sources for QNX
\ No newline at end of file
+  * [2022-08] Fix building from sources for QNX