diff --git a/configs/docker_config.py b/configs/docker_config.py
index 2cc6310..7285252 100644
--- a/configs/docker_config.py
+++ b/configs/docker_config.py
@@ -2,6 +2,7 @@
 BIND_ADDRESS = '0.0.0.0'
 PORT = 80
 SQLALCHEMY_DATABASE_URI = 'sqlite:////data/powerdns-admin.db'
+SESSION_COOKIE_SAMESITE = 'Lax'
 CSRF_COOKIE_HTTPONLY = True
 
 legal_envvars = (
diff --git a/powerdnsadmin/default_config.py b/powerdnsadmin/default_config.py
index 8737680..93b97b7 100644
--- a/powerdnsadmin/default_config.py
+++ b/powerdnsadmin/default_config.py
@@ -10,6 +10,7 @@ PORT = 9191
 HSTS_ENABLED = False
 OFFLINE_MODE = False
 FILESYSTEM_SESSIONS_ENABLED = False
+SESSION_COOKIE_SAMESITE = 'Lax'
 CSRF_COOKIE_HTTPONLY = True
 
 ### DATABASE CONFIG
diff --git a/requirements.txt b/requirements.txt
index ce24450..ec2ecbb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -18,7 +18,7 @@ pytz==2020.1
 cssmin==0.2.0
 jsmin==3.0.0
 Authlib==0.15
-Flask-SeaSurf==0.2.2
+Flask-SeaSurf==1.1.1
 bravado-core==5.17.0
 lima==0.5
 pytest==6.1.1