diff --git a/CHANGELOG.md b/CHANGELOG.md
index ab07286..3ad1114 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,11 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [1.1.1] - 2020-11-17
+
+### Fixed
+- compatibility with old compilers
+
 ## [1.1.0] - 2020-11-17
 
 ### Fixed
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0dfd156..69dbaef 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -21,7 +21,7 @@
 ############################################################################
 
 cmake_minimum_required(VERSION 3.1)
-project(bcg729 VERSION 1.1.0 LANGUAGES C)
+project(bcg729 VERSION 1.1.1 LANGUAGES C)
 
 
 set(PACKAGE "${PROJECT_NAME}")
diff --git a/configure.ac b/configure.ac
index 14c495c..579c7dc 100644
--- a/configure.ac
+++ b/configure.ac
@@ -3,7 +3,7 @@
 
 
 
-AC_INIT([bcg729],[1.1.0])
+AC_INIT([bcg729],[1.1.1])
 AC_CANONICAL_SYSTEM
 AC_PREREQ(2.63)
 AC_CONFIG_SRCDIR([src/encoder.c])
diff --git a/include/bcg729/decoder.h b/include/bcg729/decoder.h
index 3c694e5..95f0252 100644
--- a/include/bcg729/decoder.h
+++ b/include/bcg729/decoder.h
@@ -21,9 +21,9 @@
 typedef struct bcg729DecoderChannelContextStruct_struct bcg729DecoderChannelContextStruct;
 #include <stdint.h>
 
-// Version number is 1.1.0, map it on an integer
-// Note: This define starts with version 1.1.0
-#define BCG729_VERSION_NUMBER 0x010100
+// Version number is 1.1.1, map it on an integer
+// Note: This define starts with version 1.1.1
+#define BCG729_VERSION_NUMBER 0x010101
 
 #ifdef _WIN32
 	#ifdef BCG729_STATIC