diff --git a/patch-alarm/patch-alarm/test-requirements.txt b/patch-alarm/patch-alarm/test-requirements.txt
index dadd6c56..2d713866 100644
--- a/patch-alarm/patch-alarm/test-requirements.txt
+++ b/patch-alarm/patch-alarm/test-requirements.txt
@@ -8,4 +8,4 @@ coverage!=4.4,>=4.0 # Apache-2.0
 mock>=2.0.0 # BSD
 stestr>=1.0.0 # Apache-2.0
 testtools>=2.2.0 # MIT
-
+pycryptodomex