diff --git a/CHANGELOG b/CHANGELOG
index a4a38d12f..5b4b7f970 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,12 @@
+sdrangel (4.20.0-1) unstable; urgency=medium
+
+   * New IEEE 802.15.4 modulator. PR #654
+   * Packet modulator fixes. PR #655
+   * Implementation of MainCore singleton in MainWindow and MainServer
+   * Unique Web API adapter
+
+  -- Edouard Griffiths, F4EXB <f4exb06@gmail.com>  Sun, 11 Oct 2020 20:39:16 +0200
+
 sdrangel (4.19.0-1) unstable; urgency=medium
 
    * USRP support. PR #652
diff --git a/CMakeLists.txt b/CMakeLists.txt
index cea555ece..7642e3a40 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -17,7 +17,7 @@ set(CMAKE_CXX_EXTENSIONS OFF)
 
 # configure version
 set(sdrangel_VERSION_MAJOR "4")
-set(sdrangel_VERSION_MINOR "19")
+set(sdrangel_VERSION_MINOR "20")
 set(sdrangel_VERSION_PATCH "0")
 set(sdrangel_VERSION_SUFFIX "")
 
diff --git a/debian/changelog b/debian/changelog
index 26cbbb2e2..b352da2ad 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,12 @@
+sdrangel (4.20.0-1) unstable; urgency=medium
+
+   * New IEEE 802.15.4 modulator. PR #654
+   * Packet modulator fixes. PR #655
+   * Implementation of MainCore singleton in MainWindow and MainServer
+   * Unique Web API adapter
+
+  -- Edouard Griffiths, F4EXB <f4exb06@gmail.com>  Sun, 11 Oct 2020 20:39:16 +0200
+
 sdrangel (4.19.0-1) unstable; urgency=medium
 
    * USRP support. PR #652
diff --git a/plugins/channeltx/mod802.15.4/ieee_802_15_4_modplugin.cpp b/plugins/channeltx/mod802.15.4/ieee_802_15_4_modplugin.cpp
index 51ce8f112..54980c341 100644
--- a/plugins/channeltx/mod802.15.4/ieee_802_15_4_modplugin.cpp
+++ b/plugins/channeltx/mod802.15.4/ieee_802_15_4_modplugin.cpp
@@ -29,7 +29,7 @@
 const PluginDescriptor IEEE_802_15_4_ModPlugin::m_pluginDescriptor = {
     IEEE_802_15_4_Mod::m_channelId,
     QString("802.15.4 Modulator"),
-    QString("4.19.1"),
+    QString("4.20.0"),
     QString("(c) Jon Beniston, M7RCE"),
     QString("https://github.com/f4exb/sdrangel"),
     true,
diff --git a/plugins/channeltx/modpacket/packetmodplugin.cpp b/plugins/channeltx/modpacket/packetmodplugin.cpp
index 305ab2929..651b2e888 100644
--- a/plugins/channeltx/modpacket/packetmodplugin.cpp
+++ b/plugins/channeltx/modpacket/packetmodplugin.cpp
@@ -29,7 +29,7 @@
 const PluginDescriptor PacketModPlugin::m_pluginDescriptor = {
     PacketMod::m_channelId,
     QString("Packet Modulator"),
-    QString("4.19.0"),
+    QString("4.20.0"),
     QString("(c) Jon Beniston, M7RCE"),
     QString("https://github.com/f4exb/sdrangel"),
     true,