diff --git a/CHANGELOG.md b/CHANGELOG.md
index a1207ea..fb2beb0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -25,6 +25,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Better messages when an error occurs while parsing the config file
 - Start converting the code to static types
 - Add more information about the dependencies in the documentation
+- Upgrade Flatpak GNOME's runtime to 42
 
 ### Fixed
 - Removed the lasting lint errors (i.e. in main.py)
diff --git a/docs/developers.md b/docs/developers.md
index 2d3fead..464a175 100644
--- a/docs/developers.md
+++ b/docs/developers.md
@@ -55,7 +55,7 @@ pip install -r requirements.dev.txt
 To install Diffuse locally:
 
 ```sh
-flatpak install runtime/org.gnome.Sdk/$(uname -p)/41
+flatpak install runtime/org.gnome.Sdk/$(uname -p)/42
 flatpak-builder --user --install build-flatpak io.github.mightycreak.Diffuse.yml
 ```
 
diff --git a/io.github.mightycreak.Diffuse.yml b/io.github.mightycreak.Diffuse.yml
index c5a6cf5..428f1ca 100644
--- a/io.github.mightycreak.Diffuse.yml
+++ b/io.github.mightycreak.Diffuse.yml
@@ -1,6 +1,6 @@
 app-id: io.github.mightycreak.Diffuse
 runtime: org.gnome.Platform
-runtime-version: '41'
+runtime-version: '42'
 sdk: org.gnome.Sdk
 command: diffuse
 finish-args: