diff --git a/NEWS b/NEWS
index 04d5c2d..22eaa99 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,23 @@
+Overview of changes leading to 4.0.1
+Friday, March 11, 2022
+====================================
+- Update OpenType to AAT mappings for “hist” and “vrtr” features.
+  (Florian Pircher)
+- Update IANA Language Subtag Registry to 2022-03-02. (David Corbett)
+- Update USE shaper to allow any non-numeric tail in a symbol cluster, and
+  remove obsolete data overrides. (David Corbett)
+- Fix handling of baseline variations to return correctly scaled values.
+  (Matthias Clasen)
+- A new experimental hb_subset_repack_or_fail() to repack an array of objects,
+  eliminating offset overflows. The API is not available unless HarfBuzz is
+  built with experimental APIs enabled. (Qunxin Liu)
+
+- New experimental API
++hb_link_t
++hb_object_t
++hb_subset_repack_or_fail()
+
+
 Overview of changes leading to 4.0.0
 Tuesday, March 1, 2022
 ====================================
diff --git a/configure.ac b/configure.ac
index 5b63c68..86d35e3 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,6 @@
 AC_PREREQ([2.64])
 AC_INIT([HarfBuzz],
-        [4.0.0],
+        [4.0.1],
         [https://github.com/harfbuzz/harfbuzz/issues/new],
         [harfbuzz],
         [http://harfbuzz.org/])
diff --git a/meson.build b/meson.build
index 17fb837..1270d4d 100644
--- a/meson.build
+++ b/meson.build
@@ -1,6 +1,6 @@
 project('harfbuzz', 'c', 'cpp',
   meson_version: '>= 0.55.0',
-  version: '4.0.0',
+  version: '4.0.1',
   default_options: [
     'cpp_rtti=false',       # Just to support msvc, we are passing -fno-exceptions also anyway
     'cpp_std=c++11',
diff --git a/src/hb-version.h b/src/hb-version.h
index dd2c528..e6bb69a 100644
--- a/src/hb-version.h
+++ b/src/hb-version.h
@@ -53,14 +53,14 @@
  *
  * The micro component of the library version available at compile-time.
  */
-#define HB_VERSION_MICRO 0
+#define HB_VERSION_MICRO 1
 
 /**
  * HB_VERSION_STRING:
  *
  * A string literal containing the library version available at compile-time.
  */
-#define HB_VERSION_STRING "4.0.0"
+#define HB_VERSION_STRING "4.0.1"
 
 /**
  * HB_VERSION_ATLEAST: