diff --git a/CHANGELOG.md b/CHANGELOG.md
index fabe05c..a78db04 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # Changelog
 
+## v1.6.0 - 2024-11-04
+
+- The Cloudflare Tunnel `"cf-connecting-ip"` header is now used to get the
+  client IP address.
+
 ## v1.5.0 - 2024-11-04
 
 - "Enter" keypresses no longer submit the form, to avoid accidental submissions.
diff --git a/gleam.toml b/gleam.toml
index a4d3680..3910af8 100644
--- a/gleam.toml
+++ b/gleam.toml
@@ -1,5 +1,5 @@
 name = "survey"
-version = "1.5.0"
+version = "1.6.0"
 licences = ["Apache-2.0"]
 
 # Fill out these fields if you intend to generate HTML documentation or publish
diff --git a/src/survey/router.gleam b/src/survey/router.gleam
index ab0f84f..a078927 100644
--- a/src/survey/router.gleam
+++ b/src/survey/router.gleam
@@ -57,7 +57,7 @@ pub fn handle_form_submission(req: Request) -> Response {
     |> storail.key(id)
     |> storail.write([
       #("id", id),
-      #("ip", request.get_header(req, "x-forwarded-for") |> result.unwrap("")),
+      #("ip", request.get_header(req, "cf-connecting-ip") |> result.unwrap("")),
       #("inserted-at", datetime.now_utc() |> datetime.to_string),
       ..answers
     ])