diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2fc6923..8dd234e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,11 @@ 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/).
 
+## [1.7.4](https://github.com/ledgerhq/app-ethereum/compare/1.7.3...1.7.4) - 2021-5-6
+
+### Fixed
+
+- Fixed a bug that prevented using Ethereum sidechains
 ## [1.7.3](https://github.com/ledgerhq/app-ethereum/compare/1.7.2...1.7.3) - 2021-5-5
 
 ### Added
diff --git a/Makefile b/Makefile
index 2f5e92f..ef07496 100755
--- a/Makefile
+++ b/Makefile
@@ -30,7 +30,7 @@ APP_LOAD_PARAMS += --path "1517992542'/1101353413'"
 
 APPVERSION_M=1
 APPVERSION_N=7
-APPVERSION_P=3
+APPVERSION_P=4
 APPVERSION=$(APPVERSION_M).$(APPVERSION_N).$(APPVERSION_P)
 APP_LOAD_FLAGS= --appFlags 0x240 --dep Ethereum:$(APPVERSION)