diff --git a/docs/CNAME b/docs/CNAME
new file mode 100644
index 0000000..8d4a8c1
--- /dev/null
+++ b/docs/CNAME
@@ -0,0 +1 @@
+ribasim.nl
diff --git a/docs/_quarto.yml b/docs/_quarto.yml
index eb7d3df..d9c23e8 100644
--- a/docs/_quarto.yml
+++ b/docs/_quarto.yml
@@ -1,5 +1,7 @@
 project:
   type: website
+  resources:
+    - CNAME
 
 website:
   title: "Ribasim-NL"