diff --git a/Changelog.md b/Changelog.md
index d896445a..13df6ffa 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -3,6 +3,12 @@
 Changelog [format](http://keepachangelog.com/en/1.0.0/)
 
 
+## Umshiang Bridge 3.5.3
+
+### Changed
+* GODT-3004: Update gopenpgp and dependencies.
+
+
 ## Umshiang Bridge 3.5.2
 
 ### Fixed
diff --git a/Makefile b/Makefile
index b99c44b9..14dd0298 100644
--- a/Makefile
+++ b/Makefile
@@ -11,7 +11,7 @@ ROOT_DIR:=$(shell dirname $(realpath $(firstword $(MAKEFILE_LIST))))
 .PHONY: build build-gui build-nogui build-launcher versioner hasher
 
 # Keep version hardcoded so app build works also without Git repository.
-BRIDGE_APP_VERSION?=3.5.2+git
+BRIDGE_APP_VERSION?=3.5.3+git
 APP_VERSION:=${BRIDGE_APP_VERSION}
 APP_FULL_NAME:=Proton Mail Bridge
 APP_VENDOR:=Proton AG