diff --git a/RELNOTES.md b/RELNOTES.md
index 8bc5b33..514323f 100644
--- a/RELNOTES.md
+++ b/RELNOTES.md
@@ -1,6 +1,19 @@
 iperf3 Release Notes
 ====================
 
+iperf-3.10.1 2021-06-03
+-----------------------
+
+* Notable user-visible changes
+
+  * Fixed a problem with autoconf scripts that made builds fail in
+    some environments (#1154 / #1155).
+
+* Developer-visible changes
+
+  * GNU autoconf 2.71 or newer is now required to regenerate iperf3's
+    configure scripts.
+
 iperf 3.10 2021-05-26
 ---------------------
 
diff --git a/configure.ac b/configure.ac
index f53d485..280fb1d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -25,7 +25,7 @@
 
 # Initialize the autoconf system for the specified tool, version and mailing list
 AC_PREREQ([2.71])
-AC_INIT([iperf],[3.10],[https://github.com/esnet/iperf],[iperf],[https://software.es.net/iperf/])
+AC_INIT([iperf],[3.10.1],[https://github.com/esnet/iperf],[iperf],[https://software.es.net/iperf/])
 m4_include([config/ax_check_openssl.m4])
 m4_include([config/iperf_config_static_bin.m4])
 AC_LANG(C)