diff --git a/testing/requirements.txt b/testing/requirements.txt
index d6bf2a9..0dd4898 100644
--- a/testing/requirements.txt
+++ b/testing/requirements.txt
@@ -22,7 +22,7 @@ opencv-python==4.5.1.48
 protobuf==3.15.0rc1
 pyasn1==0.4.8
 pyasn1-modules==0.2.8
-pycryptodome==3.4.3
+pycryptodome==3.6.6
 pyparsing==2.4.7
 PyQt5==5.15.2
 PyQt5-sip==12.8.1