diff --git a/README b/README
index 85be7027abb..e994e6e947d 100644
--- a/README
+++ b/README
@@ -2,7 +2,7 @@ Copyright (C) 2001-2024 Free Software Foundation, Inc.
 See the end of the file for license conditions.
 
 
-This directory tree holds version 30.0.90 of GNU Emacs, the extensible,
+This directory tree holds version 30.0.91 of GNU Emacs, the extensible,
 customizable, self-documenting real-time display editor.
 
 The file INSTALL in this directory says how to build and install GNU
diff --git a/configure.ac b/configure.ac
index 8fc29f742ef..f63ef180c5b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -23,7 +23,7 @@ dnl  along with GNU Emacs.  If not, see <https://www.gnu.org/licenses/>.
 
 AC_PREREQ([2.65])
 dnl Note this is parsed by (at least) make-dist and lisp/cedet/ede/emacs.el.
-AC_INIT([GNU Emacs], [30.0.90], [bug-gnu-emacs@gnu.org], [],
+AC_INIT([GNU Emacs], [30.0.91], [bug-gnu-emacs@gnu.org], [],
   [https://www.gnu.org/software/emacs/])
 
 if test "$XCONFIGURE" = "android"; then
diff --git a/exec/configure.ac b/exec/configure.ac
index 3c8d066b0e6..1382e34c741 100644
--- a/exec/configure.ac
+++ b/exec/configure.ac
@@ -22,7 +22,7 @@ dnl  You should have received a copy of the GNU General Public License
 dnl  along with GNU Emacs.  If not, see <https://www.gnu.org/licenses/>.
 
 AC_PREREQ([2.65])
-AC_INIT([libexec], [30.0.90], [bug-gnu-emacs@gnu.org], [],
+AC_INIT([libexec], [30.0.91], [bug-gnu-emacs@gnu.org], [],
   [https://www.gnu.org/software/emacs/])
 
 AH_TOP([/* Copyright (C) 2024 Free Software Foundation, Inc.
diff --git a/msdos/sed2v2.inp b/msdos/sed2v2.inp
index 28c11724a5f..794a1eb89f9 100644
--- a/msdos/sed2v2.inp
+++ b/msdos/sed2v2.inp
@@ -67,7 +67,7 @@
 /^#undef PACKAGE_NAME/s/^.*$/#define PACKAGE_NAME ""/
 /^#undef PACKAGE_STRING/s/^.*$/#define PACKAGE_STRING ""/
 /^#undef PACKAGE_TARNAME/s/^.*$/#define PACKAGE_TARNAME ""/
-/^#undef PACKAGE_VERSION/s/^.*$/#define PACKAGE_VERSION "30.0.90"/
+/^#undef PACKAGE_VERSION/s/^.*$/#define PACKAGE_VERSION "30.0.91"/
 /^#undef SYSTEM_TYPE/s/^.*$/#define SYSTEM_TYPE "ms-dos"/
 /^#undef HAVE_DECL_GETENV/s/^.*$/#define HAVE_DECL_GETENV 1/
 /^#undef SYS_SIGLIST_DECLARED/s/^.*$/#define SYS_SIGLIST_DECLARED 1/
diff --git a/nt/README.W32 b/nt/README.W32
index b64fb5feb9d..801c1282de6 100644
--- a/nt/README.W32
+++ b/nt/README.W32
@@ -1,7 +1,7 @@
 Copyright (C) 2001-2024 Free Software Foundation, Inc.
 See the end of the file for license conditions.
 
-		Emacs version 30.0.90 for MS-Windows
+		Emacs version 30.0.91 for MS-Windows
 
   This README file describes how to set up and run a precompiled
   distribution of the latest version of GNU Emacs for MS-Windows.  You