diff --git a/src/rustc-demangle/debian/changelog b/src/rustc-demangle/debian/changelog
index d43f7653c..54bb5b1dc 100644
--- a/src/rustc-demangle/debian/changelog
+++ b/src/rustc-demangle/debian/changelog
@@ -1,3 +1,9 @@
+rust-rustc-demangle (0.1.21-2) UNRELEASED; urgency=medium
+
+ * Trim trailing whitespace.
+
+ -- Debian Janitor <janitor@jelmer.uk> Thu, 30 Mar 2023 13:00:17 -0000
+
rust-rustc-demangle (0.1.21-1) unstable; urgency=medium
* Team upload.
@@ -9,7 +15,7 @@ rust-rustc-demangle (0.1.16-4) unstable; urgency=medium
* Team upload.
* Package rustc-demangle 0.1.16 from crates.io using debcargo 2.4.2
- * disable librust-rustc-demangle+core-dev
+ * disable librust-rustc-demangle+core-dev
librust-rustc-demangle+rustc-dep-of-std-dev tests as they are using nightly
feature