diff --git a/requirements.txt b/requirements.txt
index d80ee24..75b2c52 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -25,7 +25,7 @@ mccabe==0.6.1
 psycopg2-binary==2.8.5
 pycodestyle==2.5.0
 pycparser==2.20
-pycryptodome==3.3.1
+pycryptodome==3.6.6
 pyflakes==2.1.1
 python-dateutil==2.8.1
 python-dotenv==0.13.0