diff --git a/configure.ac b/configure.ac
index ecfca5da..6acaa120 100755
--- a/configure.ac
+++ b/configure.ac
@@ -16,7 +16,7 @@ dnl You should have received a copy of the GNU General Public License
 dnl along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 AC_PREREQ(2.59)
-AC_INIT(memtier_benchmark,1.4.0,oss@redis.com)
+AC_INIT(memtier_benchmark,2.0.0,oss@redis.com)
 AC_CONFIG_SRCDIR([memtier_benchmark.cpp])
 AC_CONFIG_HEADER([config.h])
 AM_INIT_AUTOMAKE
diff --git a/memtier_benchmark.1 b/memtier_benchmark.1
index 09abd772..186922af 100644
--- a/memtier_benchmark.1
+++ b/memtier_benchmark.1
@@ -1,5 +1,5 @@
 .\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.49.1.
-.TH MEMTIER_BENCHMARK "1" "August 2022" "memtier_benchmark 1.4.0" "User Commands"
+.TH MEMTIER_BENCHMARK "1" "June 2023" "memtier_benchmark 2.0.0" "User Commands"
 .SH NAME
 memtier_benchmark \- NoSQL benchmark tool
 .SH SYNOPSIS
@@ -9,15 +9,24 @@ memtier_benchmark \- NoSQL benchmark tool
 A memcache/redis NoSQL traffic generator and performance benchmarking tool.
 .SS "Connection and General Options:"
 .TP
-\fB\-s\fR, \fB\-\-server\fR=\fI\,ADDR\/\fR
+\fB\-h\fR, \fB\-\-host\fR=\fI\,ADDR\/\fR
 Server address (default: localhost)
 .TP
+\fB\-s\fR, \fB\-\-server\fR=\fI\,ADDR\/\fR
+Same as \fB\-\-host\fR
+.TP
 \fB\-p\fR, \fB\-\-port\fR=\fI\,PORT\/\fR
 Server port (default: 6379)
 .TP
 \fB\-S\fR, \fB\-\-unix\-socket\fR=\fI\,SOCKET\/\fR
 UNIX Domain socket name (default: none)
 .TP
+\fB\-4\fR, \fB\-\-ipv4\fR
+Force IPv4 address resolution.
+.TP
+\fB\-6\fR  \fB\-\-ipv6\fR
+Force IPv6 address resolution.
+.TP
 \fB\-P\fR, \fB\-\-protocol\fR=\fI\,PROTOCOL\/\fR
 Protocol to use (default: redis).
 other supported protocols are resp2, resp3, memcache_text and memcache_binary.