diff --git a/requirements-test.txt b/requirements-test.txt
index f35ff9e593fc89869f190acd1e2373f4b0b783b0..900fd39c4998c55111d882f3642b8e3916fe5544 100644
--- a/requirements-test.txt
+++ b/requirements-test.txt
@@ -9,7 +9,7 @@ pytz==2018.7
 pycryptodomex==3.7.0
 scrypt==0.8.6
 Events==0.3
-cryptography==2.3.1
+cryptography==2.4.1
 pyyaml==3.13
 mock==2.0.0
 appdirs==1.4.3