diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index cdb5165..92b0f3f 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -72,7 +72,7 @@ test:
     <<: *flatpak_artifacts
 
 flatpak master:
-    image: registry.gitlab.gnome.org/gnome/gnome-runtime-images/gnome:master
+    image: registry.gitlab.gnome.org/gnome/gnome-runtime-images/gnome:3.32
     stage: flatpack
     variables:
         MANIFEST_PATH: "demo/org.freedesktop.libfprint.Demo.json"
diff --git a/demo/org.freedesktop.libfprint.Demo.json b/demo/org.freedesktop.libfprint.Demo.json
index 9c5c7b2..7429670 100644
--- a/demo/org.freedesktop.libfprint.Demo.json
+++ b/demo/org.freedesktop.libfprint.Demo.json
@@ -1,7 +1,7 @@
 {
     "app-id": "org.freedesktop.libfprint.Demo",
     "runtime": "org.gnome.Platform",
-    "runtime-version": "master",
+    "runtime-version": "3.32",
     "sdk": "org.gnome.Sdk",
     "command": "gtk-libfprint-test",
     "finish-args": [