diff --git a/configure.ac b/configure.ac
index 15810e5..d0066b5 100644
--- a/configure.ac
+++ b/configure.ac
@@ -24,7 +24,7 @@
 # file for complete information.
 
 # Initialize the autoconf system for the specified tool, version and mailing list
-AC_INIT(iperf, 3-CURRENT, https://github.com/esnet/iperf, iperf, http://software.es.net/iperf/)
+AC_INIT(iperf, 3.1b1, https://github.com/esnet/iperf, iperf, http://software.es.net/iperf/)
 AC_LANG(C)
 
 # Specify where the auxiliary files created by configure should go. The config
diff --git a/src/iperf3.1 b/src/iperf3.1
index da49278..d865014 100644
--- a/src/iperf3.1
+++ b/src/iperf3.1
@@ -1,4 +1,4 @@
-.TH IPERF 1 "February 2014" ESnet "User Manuals"
+.TH IPERF 1 "June 2015" ESnet "User Manuals"
 .SH NAME
 iperf3 \- perform network throughput tests
 .SH SYNOPSIS
diff --git a/src/libiperf.3 b/src/libiperf.3
index cd38471..cd911ba 100644
--- a/src/libiperf.3
+++ b/src/libiperf.3
@@ -1,4 +1,4 @@
-.TH LIBIPERF 3 "March 2014" ESnet "User Manuals"
+.TH LIBIPERF 3 "June 2015" ESnet "User Manuals"
 .SH NAME
 libiperf \- API for iperf3 network throughput tester