diff --git a/Changelog.md b/Changelog.md
index 4098507c..8bda7a36 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -2,6 +2,13 @@
 
 Changelog [format](http://keepachangelog.com/en/1.0.0/)
 
+## [Bridge 3.0.13] Perth Narrows
+
+### Fixed
+GODT-2319: Seed the math/rand RNG on app startup.
+GODT-1804: Preserve MIME parameters when uploading attachments.
+
+
 ## [Bridge 3.0.12] Perth Narrows
 
 ### Added
diff --git a/Makefile b/Makefile
index 18881bfc..66bbb184 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?=3.0.12+git
+BRIDGE_APP_VERSION?=3.0.13+git
 APP_VERSION:=${BRIDGE_APP_VERSION}
 APP_FULL_NAME:=Proton Mail Bridge
 APP_VENDOR:=Proton AG