diff --git a/configure b/configure
index 2ec3886313..3ab94077f6 100755
--- a/configure
+++ b/configure
@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.69 for sudo 1.8.30.
+# Generated by GNU Autoconf 2.69 for sudo 1.8.31.
 #
 # Report bugs to <https://bugzilla.sudo.ws/>.
 #
@@ -590,8 +590,8 @@ MAKEFLAGS=
 # Identity of this package.
 PACKAGE_NAME='sudo'
 PACKAGE_TARNAME='sudo'
-PACKAGE_VERSION='1.8.30'
-PACKAGE_STRING='sudo 1.8.30'
+PACKAGE_VERSION='1.8.31'
+PACKAGE_STRING='sudo 1.8.31'
 PACKAGE_BUGREPORT='https://bugzilla.sudo.ws/'
 PACKAGE_URL=''
 
@@ -1544,7 +1544,7 @@ 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 sudo 1.8.30 to adapt to many kinds of systems.
+\`configure' configures sudo 1.8.31 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1609,7 +1609,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of sudo 1.8.30:";;
+     short | recursive ) echo "Configuration of sudo 1.8.31:";;
    esac
   cat <<\_ACEOF
 
@@ -1875,7 +1875,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-sudo configure 1.8.30
+sudo configure 1.8.31
 generated by GNU Autoconf 2.69
 
 Copyright (C) 2012 Free Software Foundation, Inc.
@@ -2584,7 +2584,7 @@ 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 sudo $as_me 1.8.30, which was
+It was created by sudo $as_me 1.8.31, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   $ $0 $@
@@ -27543,7 +27543,7 @@ cat >>$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 sudo $as_me 1.8.30, which was
+This file was extended by sudo $as_me 1.8.31, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -27609,7 +27609,7 @@ _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
 ac_cs_version="\\
-sudo config.status 1.8.30
+sudo config.status 1.8.31
 configured by $0, generated by GNU Autoconf 2.69,
   with options \\"\$ac_cs_config\\"
 
diff --git a/configure.ac b/configure.ac
index 0698f1d584..6d31f89670 100644
--- a/configure.ac
+++ b/configure.ac
@@ -3,7 +3,7 @@ dnl Use the top-level autogen.sh script to generate configure and config.h.in
 dnl
 dnl SPDX-License-Identifier: ISC
 dnl
-dnl Copyright (c) 1994-1996, 1998-2019 Todd C. Miller <Todd.Miller@sudo.ws>
+dnl Copyright (c) 1994-1996, 1998-2020 Todd C. Miller <Todd.Miller@sudo.ws>
 dnl
 dnl Permission to use, copy, modify, and distribute this software for any
 dnl purpose with or without fee is hereby granted, provided that the above
@@ -18,7 +18,7 @@ dnl ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 dnl OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 dnl
 AC_PREREQ([2.59])
-AC_INIT([sudo], [1.8.30], [https://bugzilla.sudo.ws/], [sudo])
+AC_INIT([sudo], [1.8.31], [https://bugzilla.sudo.ws/], [sudo])
 AC_CONFIG_HEADER([config.h pathnames.h])
 AC_CONFIG_SRCDIR([src/sudo.c])
 dnl
diff --git a/doc/LICENSE b/doc/LICENSE
index 46dd8f2256..4b9194160b 100644
--- a/doc/LICENSE
+++ b/doc/LICENSE
@@ -1,6 +1,6 @@
 Sudo is distributed under the following license:
 
-   Copyright (c) 1994-1996, 1998-2019
+   Copyright (c) 1994-1996, 1998-2020
         Todd C. Miller <Todd.Miller@sudo.ws>
 
    Permission to use, copy, modify, and distribute this software for any