diff --git a/requirements-test.txt b/requirements-test.txt
index 8fa8ef96dcccf1b3c4c2c5b90e17cb784ef1106d..a8ed5ec924176170f7ebd81f56a113b575ee11e4 100644
--- a/requirements-test.txt
+++ b/requirements-test.txt
@@ -6,7 +6,7 @@ ecdsa==0.13
 requests==2.21.0
 websocket-client==0.54.0
 pytz==2018.9
-pycryptodomex==3.7.2
+pycryptodomex==3.7.3
 scrypt==0.8.6
 Events==0.3
 cryptography==2.4.2