diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9c8f70e..376e7b5 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](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [3.42.0] - 2024-??-??
+
+### Changed
+    - Bump Speculos version
+
 ## [3.41.0] - 2024-11-12
 
 ### Changed
diff --git a/dev-tools/Dockerfile b/dev-tools/Dockerfile
index c1a80b8..c882b20 100644
--- a/dev-tools/Dockerfile
+++ b/dev-tools/Dockerfile
@@ -23,7 +23,7 @@ RUN apk add $(echo -n "$PYTHON_BUILD_DEPS" | tr , ' ')
 RUN apk add imagemagick grep
 
 # Install test tools (Ragger framework, Speculos emulator, Ledgerblue...)
-RUN pip3 install --no-cache-dir "ragger[tests,all_backends]==1.24.0" "speculos==0.11.0"
+RUN pip3 install --no-cache-dir "ragger[tests,all_backends]==1.24.0" "speculos==0.12.0"
 
 # Add the enforcer script
 ADD ./dev-tools/enforcer.sh /opt/enforcer.sh