diff --git a/doc/resource/git-history.cache b/doc/resource/git-history.cache
index f30e45230..72c86fa6a 100644
--- a/doc/resource/git-history.cache
+++ b/doc/resource/git-history.cache
@@ -1,4 +1,9 @@
 [
+    {
+        "commit": "d8214e0d78ca8922eecb4da03008034c6a258b3b",
+        "date": "2020-05-26 08:11:50 -0400",
+        "subject": "v2.27: Expiration Improvements and Compression Drivers"
+    },
     {
         "commit": "20d8c76b6cbf4d803b155680802e8dd245f3d107",
         "date": "2020-05-22 13:51:26 -0400",
diff --git a/doc/xml/release.xml b/doc/xml/release.xml
index 12586a2f2..2f92ad0b7 100644
--- a/doc/xml/release.xml
+++ b/doc/xml/release.xml
@@ -12,6 +12,9 @@
     </intro>
 
     <release-list>
+        <release date="XXXX-XX-XX" version="2.28dev" title="UNDER DEVELOPMENT">
+        </release>
+
         <release date="2020-05-26" version="2.27" title="Expiration Improvements and Compression Drivers">
             <release-core-list>
                 <release-bug-list>
diff --git a/src/build/configure.ac b/src/build/configure.ac
index 16f44bcbf..9b9b9d847 100644
--- a/src/build/configure.ac
+++ b/src/build/configure.ac
@@ -1,7 +1,7 @@
 # Initialize configuration
 # ----------------------------------------------------------------------------------------------------------------------------------
 AC_PREREQ([2.69])
-AC_INIT([pgBackRest], [2.27])
+AC_INIT([pgBackRest], [2.28dev])
 AC_CONFIG_SRCDIR([version.h])
 AC_CONFIG_AUX_DIR(build)
 
diff --git a/src/configure b/src/configure
index e505e9d3a..b62b09d14 100755
--- a/src/configure
+++ b/src/configure
@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.69 for pgBackRest 2.27.
+# Generated by GNU Autoconf 2.69 for pgBackRest 2.28dev.
 #
 #
 # Copyright (C) 1992-1996, 1998-2012 Free Software Foundation, Inc.
@@ -577,8 +577,8 @@ MAKEFLAGS=
 # Identity of this package.
 PACKAGE_NAME='pgBackRest'
 PACKAGE_TARNAME='pgbackrest'
-PACKAGE_VERSION='2.27'
-PACKAGE_STRING='pgBackRest 2.27'
+PACKAGE_VERSION='2.28dev'
+PACKAGE_STRING='pgBackRest 2.28dev'
 PACKAGE_BUGREPORT=''
 PACKAGE_URL=''
 
@@ -1250,7 +1250,7 @@ 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 pgBackRest 2.27 to adapt to many kinds of systems.
+\`configure' configures pgBackRest 2.28dev to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1297,7 +1297,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of pgBackRest 2.27:";;
+     short | recursive ) echo "Configuration of pgBackRest 2.28dev:";;
    esac
   cat <<\_ACEOF
 
@@ -1387,7 +1387,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-pgBackRest configure 2.27
+pgBackRest configure 2.28dev
 generated by GNU Autoconf 2.69
 
 Copyright (C) 2012 Free Software Foundation, Inc.
@@ -1685,7 +1685,7 @@ 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 pgBackRest $as_me 2.27, which was
+It was created by pgBackRest $as_me 2.28dev, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   $ $0 $@
@@ -4709,7 +4709,7 @@ cat >>$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 pgBackRest $as_me 2.27, which was
+This file was extended by pgBackRest $as_me 2.28dev, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -4771,7 +4771,7 @@ _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
 ac_cs_version="\\
-pgBackRest config.status 2.27
+pgBackRest config.status 2.28dev
 configured by $0, generated by GNU Autoconf 2.69,
   with options \\"\$ac_cs_config\\"
 
@@ -5475,4 +5475,4 @@ if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then
 $as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2;}
 fi
 
-# Generated from src/build/configure.ac sha1 069c7b9ac85fb7a9eb70ae3894d44509b802b7a6
+# Generated from src/build/configure.ac sha1 4b56d8e3a9ac164765dda35093973b8378be7b7e
diff --git a/src/version.h b/src/version.h
index 38138655d..7178e80cf 100644
--- a/src/version.h
+++ b/src/version.h
@@ -23,6 +23,6 @@ repository will be invalid unless migration functions are written.
 /***********************************************************************************************************************************
 Software version.  Currently this value is maintained in Version.pm and updated by test.pl.
 ***********************************************************************************************************************************/
-#define PROJECT_VERSION                                             "2.27"
+#define PROJECT_VERSION                                             "2.28dev"
 
 #endif