diff --git a/flatpak/org.gnome.Fractal.json b/flatpak/org.gnome.Fractal.json
index 9eaaafbf..cc4cc6fa 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" : "master",
+    "runtime-version" : "3.36",
     "sdk" : "org.gnome.Sdk",
     "sdk-extensions" : [
         "org.freedesktop.Sdk.Extension.rust-stable"