diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 25271d5..3eaa864 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -4,7 +4,7 @@ include:
     # ref: ''
 
 flatpak:
-  image: 'registry.gitlab.gnome.org/gnome/gnome-runtime-images/rust_bundle:master'
+  image: 'registry.gitlab.gnome.org/gnome/gnome-runtime-images/rust_bundle:3.36'
   variables:
     MANIFEST_PATH: "org.gnome.Podcasts.Devel.json"
     FLATPAK_MODULE: "gnome-podcasts"
diff --git a/org.gnome.Podcasts.Devel.json b/org.gnome.Podcasts.Devel.json
index 049ce73..7dcbf91 100644
--- a/org.gnome.Podcasts.Devel.json
+++ b/org.gnome.Podcasts.Devel.json
@@ -1,7 +1,7 @@
 {
     "app-id" : "org.gnome.Podcasts.Devel",
     "runtime" : "org.gnome.Platform",
-    "runtime-version" : "master",
+    "runtime-version" : "3.36",
     "sdk" : "org.gnome.Sdk",
     "sdk-extensions" : [
         "org.freedesktop.Sdk.Extension.rust-stable"
diff --git a/org.gnome.Podcasts.json b/org.gnome.Podcasts.json
index dfbcf95..ac7b764 100644
--- a/org.gnome.Podcasts.json
+++ b/org.gnome.Podcasts.json
@@ -1,7 +1,7 @@
 {
     "app-id" : "org.gnome.Podcasts",
     "runtime" : "org.gnome.Platform",
-    "runtime-version" : "master",
+    "runtime-version" : "3.36",
     "sdk" : "org.gnome.Sdk",
     "sdk-extensions" : [
         "org.freedesktop.Sdk.Extension.rust-stable"