diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 15142cbb..5e4fcd76 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -9,7 +9,7 @@ variables:
     BUNDLE: "org.gnome.FractalDevel.flatpak"
     MANIFEST_PATH: "flatpak/org.gnome.Fractal.json"
     FLATPAK_MODULE: "fractal"
-    FLATPAK_IMAGE: "registry.gitlab.gnome.org/gnome/gnome-runtime-images/rust_bundle:3.36"
+    FLATPAK_IMAGE: "registry.gitlab.gnome.org/gnome/gnome-runtime-images/rust_bundle:3.38"
 
 .flatpak_cache_template: &flatpak_cache
     cache:
diff --git a/flatpak/org.gnome.Fractal.json b/flatpak/org.gnome.Fractal.json
index ed53bcc5..8f499ec5 100644
--- a/flatpak/org.gnome.Fractal.json
+++ b/flatpak/org.gnome.Fractal.json
@@ -1,7 +1,7 @@
 {
     "app-id" : "org.gnome.FractalDevel",
     "runtime" : "org.gnome.Platform",
-    "runtime-version" : "3.36",
+    "runtime-version" : "3.38",
     "sdk" : "org.gnome.Sdk",
     "sdk-extensions" : [
         "org.freedesktop.Sdk.Extension.rust-stable"