diff --git a/CHANGELOG.md b/CHANGELOG.md
index e618f278..6cd37c2f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,7 +5,9 @@ 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).
 
 ## [Unreleased]
+## [0.15.0] - 2024-02-16
 ### Changed
+- Updated linux-sources to v5.6.9-ctsi-2-output-unification-test1
 - Added a value field to vouchers
 - Tools are now implemented in terms of libcmt
 - Added libcmt
@@ -135,7 +137,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - [0.2.0]
 - [0.1.0]
 
-[Unreleased]: https://github.com/cartesi/machine-emulator-tools/compare/v0.14.1...HEAD
+[Unreleased]: https://github.com/cartesi/machine-emulator-tools/compare/v0.15.0...HEAD
+[0.15.0]: https://github.com/cartesi/machine-emulator-tools/releases/tag/v0.15.0
 [0.14.1]: https://github.com/cartesi/machine-emulator-tools/releases/tag/v0.14.1
 [0.14.0]: https://github.com/cartesi/machine-emulator-tools/releases/tag/v0.14.0
 [0.13.0]: https://github.com/cartesi/machine-emulator-tools/releases/tag/v0.13.0
diff --git a/Dockerfile b/Dockerfile
index e74753b1..d59c82c3 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -16,7 +16,7 @@
 
 FROM ubuntu:22.04 as tools-env
 ARG IMAGE_KERNEL_VERSION=v0.19.1
-ARG LINUX_VERSION=6.5.9-ctsi-1
+ARG LINUX_VERSION=6.5.9-ctsi-2-output-unification-test1
 ARG LINUX_HEADERS_URLPATH=https://github.com/cartesi/image-kernel/releases/download/${IMAGE_KERNEL_VERSION}/linux-libc-dev-riscv64-cross-${LINUX_VERSION}-${IMAGE_KERNEL_VERSION}.deb
 ARG BUILD_BASE=/opt/cartesi
 
diff --git a/Makefile b/Makefile
index f188b569..ec84d101 100644
--- a/Makefile
+++ b/Makefile
@@ -15,8 +15,8 @@
 #
 
 MAJOR := 0
-MINOR := 14
-PATCH := 1
+MINOR := 15
+PATCH := 0
 LABEL :=-dev
 VERSION := $(MAJOR).$(MINOR).$(PATCH)$(LABEL)