diff --git a/guix/scripts/upgrade.scm b/guix/scripts/upgrade.scm
index 8c7abd133a..5ec844328e 100644
--- a/guix/scripts/upgrade.scm
+++ b/guix/scripts/upgrade.scm
@@ -36,6 +36,8 @@ (define (show-help)
   -p, --profile=PROFILE  use PROFILE instead of the user's default profile"))
   (display (G_ "
   -v, --verbosity=LEVEL  use the given verbosity LEVEL"))
+  (display (G_ "
+      --do-not-upgrade[=REGEXP] do not upgrade any packages matching REGEXP"))
   (newline)
   (show-build-options-help)
   (newline)