diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..556b3b5
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,27 @@
+# Change Log
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](http://keepachangelog.com/)
+and this project adheres to [Semantic Versioning](http://semver.org/).
+
+## [1.6.3](https://github.com/ledgerhq/app-ethereum/compare/1.6.2...1.6.3) - 2020-12-10
+
+### Added
+
+- Changelog file
+
+### Removed
+
+- unused `prepare_full_output` and `btchip_bagl_confirm_full_output` functions removed
+
+### Changed
+
+- More errors, less THROWs
+- Cleanup args parsing when called as a library
+
+### Fixed
+
+- Most compilation warnings fixed
+- Ensure `os_lib_end` is called when errors are encountered in library mode
+- Fix pin validation check
diff --git a/Makefile b/Makefile
index c17509b..cd69a3c 100755
--- a/Makefile
+++ b/Makefile
@@ -30,7 +30,7 @@ APP_LOAD_PARAMS += --path "45'"
 
 APPVERSION_M=1
 APPVERSION_N=6
-APPVERSION_P=2
+APPVERSION_P=3
 APPVERSION=$(APPVERSION_M).$(APPVERSION_N).$(APPVERSION_P)
 APP_LOAD_FLAGS= --appFlags 0x240 --dep Ethereum:$(APPVERSION)