diff --git a/ChangeLog b/ChangeLog
index 49e8d0d7..0a0dfc24 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,13 @@
+2024-05-29  Dirk Eddelbuettel  <edd@debian.org>
+
+	* DESCRIPTION (Version, Date): RcppArmadillo 0.12.8.3.1
+        * inst/NEWS.Rd: Idem
+        * configure.ac: Idem
+
+2024-05-26  Dirk Eddelbuettel  <edd@debian.org>
+
+ 	* inst/include/armadillo_bits/: Armadillo 12.8.4-rc1
+
 2024-05-17  Dirk Eddelbuettel  <edd@debian.org>
 
 	* DESCRIPTION (Imports): Updated versioned constraint on Rcpp to
diff --git a/DESCRIPTION b/DESCRIPTION
index c1f92345..59665671 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,8 +1,8 @@
 Package: RcppArmadillo
 Type: Package
 Title: 'Rcpp' Integration for the 'Armadillo' Templated Linear Algebra Library
-Version: 0.12.8.3.0
-Date: 2024-05-07
+Version: 0.12.8.3.1
+Date: 2024-05-26
 Author: Dirk Eddelbuettel, Romain Francois, Doug Bates, Binxiang Ni, and Conrad Sanderson
 Maintainer: Dirk Eddelbuettel <edd@debian.org>
 Description: 'Armadillo' is a templated C++ linear algebra library (by Conrad
diff --git a/configure b/configure
index 3185119e..c597aafb 100755
--- a/configure
+++ b/configure
@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.71 for RcppArmadillo 0.12.8.3.0.
+# Generated by GNU Autoconf 2.71 for RcppArmadillo 0.12.8.3.1.
 #
 # Report bugs to <edd@debian.org>.
 #
@@ -610,8 +610,8 @@ MAKEFLAGS=
 # Identity of this package.
 PACKAGE_NAME='RcppArmadillo'
 PACKAGE_TARNAME='rcpparmadillo'
-PACKAGE_VERSION='0.12.8.3.0'
-PACKAGE_STRING='RcppArmadillo 0.12.8.3.0'
+PACKAGE_VERSION='0.12.8.3.1'
+PACKAGE_STRING='RcppArmadillo 0.12.8.3.1'
 PACKAGE_BUGREPORT='edd@debian.org'
 PACKAGE_URL=''
 
@@ -1229,7 +1229,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-\`configure' configures RcppArmadillo 0.12.8.3.0 to adapt to many kinds of systems.
+\`configure' configures RcppArmadillo 0.12.8.3.1 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1291,7 +1291,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of RcppArmadillo 0.12.8.3.0:";;
+     short | recursive ) echo "Configuration of RcppArmadillo 0.12.8.3.1:";;
    esac
   cat <<\_ACEOF
 
@@ -1372,7 +1372,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-RcppArmadillo configure 0.12.8.3.0
+RcppArmadillo configure 0.12.8.3.1
 generated by GNU Autoconf 2.71
 
 Copyright (C) 2021 Free Software Foundation, Inc.
@@ -1486,7 +1486,7 @@ cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
-It was created by RcppArmadillo $as_me 0.12.8.3.0, which was
+It was created by RcppArmadillo $as_me 0.12.8.3.1, which was
 generated by GNU Autoconf 2.71.  Invocation command line was
 
   $ $0$ac_configure_args_raw
@@ -3944,7 +3944,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by RcppArmadillo $as_me 0.12.8.3.0, which was
+This file was extended by RcppArmadillo $as_me 0.12.8.3.1, which was
 generated by GNU Autoconf 2.71.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -3999,7 +3999,7 @@ ac_cs_config_escaped=`printf "%s\n" "$ac_cs_config" | sed "s/^ //; s/'/'\\\\\\\\
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config='$ac_cs_config_escaped'
 ac_cs_version="\\
-RcppArmadillo config.status 0.12.8.3.0
+RcppArmadillo config.status 0.12.8.3.1
 configured by $0, generated by GNU Autoconf 2.71,
   with options \\"\$ac_cs_config\\"
 
diff --git a/configure.ac b/configure.ac
index 00318220..e1a03b6c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -11,7 +11,7 @@
 AC_PREREQ([2.69])
 
 ## Process this file with autoconf to produce a configure script.
-AC_INIT([RcppArmadillo],[0.12.8.3.0],[edd@debian.org])
+AC_INIT([RcppArmadillo],[0.12.8.3.1],[edd@debian.org])
 
 ## Set R_HOME, respecting an environment variable if one is set
 : ${R_HOME=$(R RHOME)}