diff --git a/admin/make-tarball.txt b/admin/make-tarball.txt
index 5704e8e8922..6ea22220928 100644
--- a/admin/make-tarball.txt
+++ b/admin/make-tarball.txt
@@ -134,6 +134,9 @@ General steps (for each step, check for possible errors):
     Before a release candidate is made, the tasks listed in
     admin/release-process must be completed.

+    If this is an emergency release without a prior pretest, inform
+    the concerned package maintainers.  See admin/notes/versioning.
+
     Set the version number to that of the actual release (commit in
     one, as described above).  Pick a date about a week from now when
     you intend to make the release.  Use M-x add-release-logs from
diff --git a/admin/notes/versioning b/admin/notes/versioning
index 9428dc76710..a86e2a1b9d5 100644
--- a/admin/notes/versioning
+++ b/admin/notes/versioning
@@ -27,3 +27,12 @@ unexpected last-minute problem occurs.
 The development version for a new major release has "minor" = 0.
 The development version for a new minor release has "minor" = that of
 the previous release.
+
+Emacs contains built-in packages with an own version number, which
+could be different from the natural version number of this package
+(for example, Tramp).  Usually, they are adjusted by the respective
+maintainers prior an Emacs release.  If a new Emacs version will be
+released without a pretest release, for example an emergency release
+due to security problems, inform the respective package maintainers in
+advance by email, and give them a short period (one day) to adjust the
+package version number.