diff --git a/CONTRIBUTORS.md b/CONTRIBUTORS.md
index fd4ab4bec..aba39e56f 100644
--- a/CONTRIBUTORS.md
+++ b/CONTRIBUTORS.md
@@ -187,3 +187,6 @@ In chronological order:
 * Marius Hillenbrand <https://github.com/mhillenibm>
   * [2020-05-12] Revise dynamic architecture detection for IBM z
   * [2020-05-12] Add new sgemm and strmm kernel for IBM z14
+
+* Danfeng Zhang <https://github.com/craft-zhang>
+  * [2020-05-20] Improve performance of SGEMM and STRMM on Arm Cortex-A53
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