diff --git a/n8n/docker-compose.yml b/n8n/docker-compose.yml
index 724cb46..f136f5d 100755
--- a/n8n/docker-compose.yml
+++ b/n8n/docker-compose.yml
@@ -22,6 +22,8 @@ services:
       - N8N_SECURE_COOKIE=false
       - WEBHOOK_URL=https://n8n.sectorq.eu
       - NODES_EXCLUDE="[]"
+      - NODE_FUNCTION_ALLOW_EXTERNAL=caldav
+      - NODE_FUNCTION_ALLOW_BUILTIN=datetime
     volumes:
       - data:/home/node/.n8n
       - files:/home/node/.n8n-files/