diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2fab36e6..e638e60c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -11,7 +11,7 @@ project(mosquitto)
 cmake_minimum_required(VERSION 2.8)
 # Only for version 3 and up. cmake_policy(SET CMP0042 NEW)
 
-set (VERSION 1.6.12)
+set (VERSION 1.6.13)
 
 add_definitions (-DCMAKE -DVERSION=\"${VERSION}\")
 
diff --git a/ChangeLog.txt b/ChangeLog.txt
index ffed291c..5dee52d9 100644
--- a/ChangeLog.txt
+++ b/ChangeLog.txt
@@ -1,3 +1,6 @@
+1.6.13 - 2021-02-04
+===================
+
 Broker:
 - Fix crash on Windows if loading a plugin fails. Closes #1866.
 - Fix DH group not being set for TLS connections, which meant ciphers using
diff --git a/config.mk b/config.mk
index 80e02f96..d94b3bbe 100644
--- a/config.mk
+++ b/config.mk
@@ -109,7 +109,7 @@ WITH_COVERAGE:=no
 
 # Also bump lib/mosquitto.h, CMakeLists.txt,
 # installer/mosquitto.nsi, installer/mosquitto64.nsi
-VERSION=1.6.12
+VERSION=1.6.13
 
 # Client library SO version. Bump if incompatible API/ABI changes are made.
 SOVERSION=1
diff --git a/installer/mosquitto.nsi b/installer/mosquitto.nsi
index 60ac9a26..6568d5b7 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 1.6.12
+!define VERSION 1.6.13
 OutFile "mosquitto-${VERSION}-install-windows-x86.exe"
 
 InstallDir "$PROGRAMFILES\mosquitto"
diff --git a/installer/mosquitto64.nsi b/installer/mosquitto64.nsi
index c303f7a4..1eee36d2 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 1.6.12
+!define VERSION 1.6.13
 OutFile "mosquitto-${VERSION}-install-windows-x64.exe"
 
 !include "x64.nsh"
diff --git a/lib/mosquitto.h b/lib/mosquitto.h
index 88abaead..6e150289 100644
--- a/lib/mosquitto.h
+++ b/lib/mosquitto.h
@@ -48,7 +48,7 @@ extern "C" {
 
 #define LIBMOSQUITTO_MAJOR 1
 #define LIBMOSQUITTO_MINOR 6
-#define LIBMOSQUITTO_REVISION 12
+#define LIBMOSQUITTO_REVISION 13
 /* 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/set-version.sh b/set-version.sh
index c27c55bb..2c3fb671 100755
--- a/set-version.sh
+++ b/set-version.sh
@@ -2,7 +2,7 @@
 
 MAJOR=1
 MINOR=6
-REVISION=12
+REVISION=13
 
 sed -i "s/^VERSION=.*/VERSION=${MAJOR}.${MINOR}.${REVISION}/" config.mk
 
diff --git a/snap/snapcraft.yaml b/snap/snapcraft.yaml
index 5032fff7..28d9885d 100644
--- a/snap/snapcraft.yaml
+++ b/snap/snapcraft.yaml
@@ -1,5 +1,5 @@
 name: mosquitto
-version: 1.6.12
+version: 1.6.13
 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.