diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index bd6011d..69179ca 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -55,7 +55,7 @@ jobs:
   flatpak-build-test:
     runs-on: ubuntu-24.04
     container:
-      image: ghcr.io/flathub-infra/flatpak-github-actions:gnome-46
+      image: ghcr.io/flathub-infra/flatpak-github-actions:gnome-48
       options: --privileged
     steps:
     - uses: actions/checkout@v4
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 42823fc..9e1b1f9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -16,11 +16,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Update pypi packages (@MightyCreak)
 - Add pre-commit git hooks to run linters (@MightyCreak)
 - Docs: improve devs setup structure (@MightyCreak)
+- Update to flatpak's GNOME runtime 48 (@MightyCreak)
 
 ### Fixed
 
 - Docs: fix incorrect flatpak command to install runtime SDK (@MightyCreak)
-- Update to flatpak's GNOME runtime 46 (@MightyCreak)
 - Update GitHub actions: use Ubuntu 24.04, Python 3.9 and new Flatpak image (@MightyCreak)
 
 ## 0.9.0 - 2024-01-13
diff --git a/docs/developers/developers-setup.md b/docs/developers/developers-setup.md
index 0da6d33..bf8afc1 100644
--- a/docs/developers/developers-setup.md
+++ b/docs/developers/developers-setup.md
@@ -81,7 +81,7 @@ git config --local core.hooksPath ./.githooks
 To build, test and install Diffuse locally:
 
 ```sh
-flatpak install runtime/org.gnome.Sdk/$(uname -m)/46
+flatpak install runtime/org.gnome.Sdk/$(uname -m)/48
 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 2aa11a0..c2aa7b3 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: '46'
+runtime-version: '48'
 sdk: org.gnome.Sdk
 command: diffuse
 finish-args: