diff --git a/changelog.d/13326.removal b/changelog.d/13326.removal
new file mode 100644
index 0000000000000000000000000000000000000000..8112286671d7fa10579c57d3452f45ae568dac13
--- /dev/null
+++ b/changelog.d/13326.removal
@@ -0,0 +1 @@
+Stop builindg `.deb` packages for Ubuntu 21.10 (Impish Indri), which has reached end of life.
diff --git a/scripts-dev/build_debian_packages.py b/scripts-dev/build_debian_packages.py
index 38564893e95b7d9aeecbd62d5a43414ca959ce23..cd2e64b75f9d8fcfae9dab83f94e41b67468bd90 100755
--- a/scripts-dev/build_debian_packages.py
+++ b/scripts-dev/build_debian_packages.py
@@ -26,7 +26,6 @@ DISTS = (
     "debian:bookworm",
     "debian:sid",
     "ubuntu:focal",  # 20.04 LTS (our EOL forced by Py38 on 2024-10-14)
-    "ubuntu:impish",  # 21.10  (EOL 2022-07)
     "ubuntu:jammy",  # 22.04 LTS (EOL 2027-04)
 )