diff --git a/CMakeLists.txt b/CMakeLists.txt
index b5ae3082..b6e77546 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -8,7 +8,7 @@ cmake_minimum_required(VERSION 3.5)
 cmake_policy(SET CMP0042 NEW)
 
 project(mosquitto)
-set (VERSION 2.0.19)
+set (VERSION 2.0.20)
 
 list(APPEND CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/cmake/")
 
diff --git a/ChangeLog.txt b/ChangeLog.txt
index 650a4273..a8cecd6a 100644
--- a/ChangeLog.txt
+++ b/ChangeLog.txt
@@ -1,4 +1,4 @@
-2.0.20 - 2024-xx-xx
+2.0.20 - 2024-10-11
 ===================
 
 Broker:
diff --git a/config.mk b/config.mk
index 75eeea95..95503207 100644
--- a/config.mk
+++ b/config.mk
@@ -130,7 +130,7 @@ WITH_ASAN=no
 
 # Also bump lib/mosquitto.h, CMakeLists.txt,
 # installer/mosquitto.nsi, installer/mosquitto64.nsi
-VERSION=2.0.19
+VERSION=2.0.20
 
 # Client library SO version. Bump if incompatible API/ABI changes are made.
 SOVERSION=1
diff --git a/include/mosquitto.h b/include/mosquitto.h
index 78e415e3..524bf349 100644
--- a/include/mosquitto.h
+++ b/include/mosquitto.h
@@ -66,7 +66,7 @@ extern "C" {
 
 #define LIBMOSQUITTO_MAJOR 2
 #define LIBMOSQUITTO_MINOR 0
-#define LIBMOSQUITTO_REVISION 19
+#define LIBMOSQUITTO_REVISION 20
 /* LIBMOSQUITTO_VERSION_NUMBER looks like 1002001 for e.g. version 1.2.1. */
 #define LIBMOSQUITTO_VERSION_NUMBER (LIBMOSQUITTO_MAJOR*1000000+LIBMOSQUITTO_MINOR*1000+LIBMOSQUITTO_REVISION)
 
diff --git a/installer/mosquitto.nsi b/installer/mosquitto.nsi
index 40d8e429..76fba32d 100644
--- a/installer/mosquitto.nsi
+++ b/installer/mosquitto.nsi
@@ -9,7 +9,7 @@
 !define env_hklm 'HKLM "SYSTEM\CurrentControlSet\Control\Session Manager\Environment"'
 
 Name "Eclipse Mosquitto"
-!define VERSION 2.0.19
+!define VERSION 2.0.20
 OutFile "mosquitto-${VERSION}-install-windows-x86.exe"
 
 InstallDir "$PROGRAMFILES\mosquitto"
diff --git a/installer/mosquitto64.nsi b/installer/mosquitto64.nsi
index 80d2f5b2..3f98e4e6 100644
--- a/installer/mosquitto64.nsi
+++ b/installer/mosquitto64.nsi
@@ -9,7 +9,7 @@
 !define env_hklm 'HKLM "SYSTEM\CurrentControlSet\Control\Session Manager\Environment"'
 
 Name "Eclipse Mosquitto"
-!define VERSION 2.0.19
+!define VERSION 2.0.20
 OutFile "mosquitto-${VERSION}-install-windows-x64.exe"
 
 !include "x64.nsh"
diff --git a/set-version.sh b/set-version.sh
index 26c56ccb..eee353c9 100755
--- a/set-version.sh
+++ b/set-version.sh
@@ -2,7 +2,7 @@
 
 MAJOR=2
 MINOR=0
-REVISION=19
+REVISION=20
 
 sed -i "s/^VERSION=.*/VERSION=${MAJOR}.${MINOR}.${REVISION}/" config.mk
 
diff --git a/snap/snapcraft.yaml b/snap/snapcraft.yaml
index 4c309e91..e4010fb8 100644
--- a/snap/snapcraft.yaml
+++ b/snap/snapcraft.yaml
@@ -1,5 +1,5 @@
 name: mosquitto
-version: 2.0.19
+version: 2.0.20
 summary: Eclipse Mosquitto MQTT broker
 description: This is a message broker that supports version 5.0, 3.1.1, and 3.1 of the MQTT
     protocol.
diff --git a/vcpkg.json b/vcpkg.json
index e027afef..23e62abb 100644
--- a/vcpkg.json
+++ b/vcpkg.json
@@ -1,6 +1,6 @@
 {
   "name": "mosquitto",
-  "version-string": "2.0.19",
+  "version-string": "2.0.20",
   "dependencies": [
     "cjson",
     "libwebsockets",
diff --git a/www/posts/2024/10/version-2-0-19-released.md b/www/posts/2024/10/version-2-0-19-released.md
index 7dc122b9..8cc0f3bd 100644
--- a/www/posts/2024/10/version-2-0-19-released.md
+++ b/www/posts/2024/10/version-2-0-19-released.md
@@ -1,6 +1,6 @@
 <!--
 .. title: Version 2.0.19 released.
-.. slug: version-2-0-17-released
+.. slug: version-2-0-19-released
 .. date: 2024-10-02 10:46:38 UTC+1
 .. tags: Releases
 .. category:
diff --git a/www/posts/2024/10/version-2-0-20-released.md b/www/posts/2024/10/version-2-0-20-released.md
new file mode 100644
index 00000000..c677993c
--- /dev/null
+++ b/www/posts/2024/10/version-2-0-20-released.md
@@ -0,0 +1,23 @@
+<!--
+.. title: Version 2.0.20 released.
+.. slug: version-2-0-20-released
+.. date: 2024-10-11 18:22:38 UTC+1
+.. tags: Releases
+.. category:
+.. link:
+.. description:
+.. type: text
+-->
+
+Version 2.0.20 of Mosquitto has been released. This is a bugfix release.
+
+Broker:
+- Fix QoS 1 / QoS 2 publish incorrectly returning "no subscribers". Closes [#3128].
+- Open files with appropriate access on Windows. Closes [#3119].
+
+Client library:
+- Fix cmake build on OS X. Closes [#3125].
+
+[#3119]: https://github.com/eclipse/mosquitto/issues/3119
+[#3125]: https://github.com/eclipse/mosquitto/issues/3125
+[#3128]: https://github.com/eclipse/mosquitto/issues/3128