diff --git a/requirements.txt b/requirements.txt
index 7028e5e..400b521 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -23,7 +23,7 @@ protobuf==3.11.3
 pyasn1==0.4.8
 pyasn1-modules==0.2.8
 PyAudio==0.2.11
-pycryptodome==3.4.3
+pycryptodome==3.6.6
 PyMySQL==0.9.3
 pyparsing==2.4.7
 Pyrebase==3.0.27