diff --git a/book/en/book.toml b/book/en/book.toml
index 9d423b1160..5d07d16479 100644
--- a/book/en/book.toml
+++ b/book/en/book.toml
@@ -7,7 +7,6 @@ title = "Just Programmer's Manual"
 build-dir = "build"
 
 [output.html]
-cname = "just.systems"
 git-repository-url = "https://github.com/casey/just"
 site-url = "/man/en/"
 
diff --git a/book/zh/book.toml b/book/zh/book.toml
index c5f0d4b2ce..bbee2c6b90 100644
--- a/book/zh/book.toml
+++ b/book/zh/book.toml
@@ -7,7 +7,6 @@ title = "Just 用户指南"
 build-dir = "build"
 
 [output.html]
-cname = "just.systems"
 git-repository-url = "https://github.com/casey/just"
 site-url = "/man/zh/"
 
diff --git a/www/CNAME b/www/CNAME
new file mode 100644
index 0000000000..cbe78495aa
--- /dev/null
+++ b/www/CNAME
@@ -0,0 +1 @@
+just.systems