diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3b641243..8883cafd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -14,6 +14,10 @@ Releases
 This high level changelog is usually updated when a release is tagged.
 On the master branch there may be changes that are not (yet) described here.
 
+### 1.20.4
+
+* [-] fix "Peer refused to agree to his IP address" message
+
 ### 1.20.3
 
 * [~] minor change in a warning message
diff --git a/configure.ac b/configure.ac
index 8232a60f..b1bb6a6e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2,7 +2,7 @@
 # Process this file with autoconf to produce a configure script.
 
 AC_PREREQ([2.63])
-AC_INIT([openfortivpn], [1.20.3])
+AC_INIT([openfortivpn], [1.20.4])
 AC_CONFIG_SRCDIR([src/main.c])
 AM_INIT_AUTOMAKE([foreign subdir-objects])