diff --git a/CMSIS/NN/Tests/UnitTest/requirements.txt b/CMSIS/NN/Tests/UnitTest/requirements.txt
index 3f1dff41d0..352d7c3857 100644
--- a/CMSIS/NN/Tests/UnitTest/requirements.txt
+++ b/CMSIS/NN/Tests/UnitTest/requirements.txt
@@ -13,7 +13,7 @@ clang==5.0
 click==8.0.1
 cmsis-pack-manager==0.2.10
 colorama==0.4.4
-cryptography==3.4.7
+cryptography==39.0.1
 dataclasses==0.8
 ecdsa==0.17.0
 fasteners==0.16.3