diff --git a/seafile-server/Dockerfile b/seafile-server/Dockerfile
index a057c8c..6d05147 100644
--- a/seafile-server/Dockerfile
+++ b/seafile-server/Dockerfile
@@ -37,7 +37,7 @@ termcolor==2.4.0 \
 colorlog==6.8.2 \
 pymysql==1.1.1 \
 jinja2==3.1.4 \
-pycryptodome==3.20.0 \
+pycryptodome==3.21.0 \
 lxml==5.3.0 \
 python-ldap==3.4.4 \
 pytz==2024.2 \
diff --git a/seahub/Dockerfile b/seahub/Dockerfile
index 81149ec..e347329 100644
--- a/seahub/Dockerfile
+++ b/seahub/Dockerfile
@@ -51,7 +51,7 @@ mysqlclient==2.2.4 \
 django==4.2.16 \
 django-pylibmc==0.6.1 \
 django-simple-captcha==0.6.0 \
-pycryptodome==3.20.0 \
+pycryptodome==3.21.0 \
 djangosaml2==1.9.3 \
 python-ldap==3.4.4 \
 sqlalchemy==2.0.35 \