diff --git a/AUTHORS b/AUTHORS
index 9078925b..e7c789cf 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -443,3 +443,8 @@ escherstair <ernestviga@gmail.com>
 Evan Lucas <evanlucas@me.com>
 tjarlama <59913901+tjarlama@users.noreply.github.com>
 司徒玟琅 <sanjusss@qq.com>
+YuMeiJie <yumeijie@huawei.com>
+Aleksej Lebedev <root@zta.lk>
+Nikolay Mitev <github@hmel.org>
+Ulrik Strid <ulrik.strid@outlook.com>
+Elad Lahav <elahav@qnx.com>
diff --git a/ChangeLog b/ChangeLog
index 06509e7d..8788d946 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,38 @@
+2020.09.26, Version 1.40.0 (Stable)
+
+Changes since version 1.39.0:
+
+* udp: add UV_UDP_MMSG_FREE recv_cb flag (Ryan Liptak)
+
+* include: re-map UV__EPROTO from 4046 to -4046 (YuMeiJie)
+
+* doc: correct UV_UDP_MMSG_FREE version added (cjihrig)
+
+* doc: add uv_metrics_idle_time() version metadata (Ryan Liptak)
+
+* win,tty: pass through utf-16 surrogate pairs (Mustafa M)
+
+* unix: fix DragonFly BSD build (Aleksej Lebedev)
+
+* win,udp: fix error code returned by connect() (Santiago Gimeno)
+
+* src: suppress user_timeout maybe-uninitialized (Daniel Bevenius)
+
+* test: fix compiler warning (Vladimír Čunát)
+
+* build: fix the Haiku cmake build (David Carlier)
+
+* linux: fix i386 sendmmsg/recvmmsg support (Ben Noordhuis)
+
+* build: add libuv-static pkg-config file (Nikolay Mitev)
+
+* unix,win: add uv_timer_get_due_in() (Ulrik Strid)
+
+* build,unix: add QNX support (Elad Lahav)
+
+* include: remove incorrect UV__ERR() for EPROTO (cjihrig)
+
+
 2020.08.26, Version 1.39.0 (Stable), 25f4b8b8a3c0f934158cd37a37b0525d75ca488e
 
 Changes since version 1.38.1:
diff --git a/configure.ac b/configure.ac
index 8f5c89b1..1a66b74d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -13,7 +13,7 @@
 # OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 
 AC_PREREQ(2.57)
-AC_INIT([libuv], [1.39.0], [https://github.com/libuv/libuv/issues])
+AC_INIT([libuv], [1.40.0], [https://github.com/libuv/libuv/issues])
 AC_CONFIG_MACRO_DIR([m4])
 m4_include([m4/libuv-extra-automake-flags.m4])
 m4_include([m4/as_case.m4])
diff --git a/include/uv/version.h b/include/uv/version.h
index 96c1c130..5272008a 100644
--- a/include/uv/version.h
+++ b/include/uv/version.h
@@ -31,10 +31,10 @@
  */
 
 #define UV_VERSION_MAJOR 1
-#define UV_VERSION_MINOR 39
-#define UV_VERSION_PATCH 1
-#define UV_VERSION_IS_RELEASE 0
-#define UV_VERSION_SUFFIX "dev"
+#define UV_VERSION_MINOR 40
+#define UV_VERSION_PATCH 0
+#define UV_VERSION_IS_RELEASE 1
+#define UV_VERSION_SUFFIX ""
 
 #define UV_VERSION_HEX  ((UV_VERSION_MAJOR << 16) | \
                          (UV_VERSION_MINOR <<  8) | \