diff --git a/requirements.txt b/requirements.txt
index 7df8cc0..2ff9efa 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -52,7 +52,7 @@ pyasn1==0.4.8
 pyasn1-modules==0.2.7
 pycairo==1.16.2
 pycrypto==2.6.1
-pycryptodome==3.4.3
+pycryptodome==3.6.6
 pycups==1.9.73
 pygobject==3.26.1
 PyJWT==1.5.3