diff --git a/.github/workflows/prebuilt-25.05.yml b/.github/workflows/prebuilt-25.05.yml
index 5d161c57..0caa452a 100644
--- a/.github/workflows/prebuilt-25.05.yml
+++ b/.github/workflows/prebuilt-25.05.yml
@@ -1,4 +1,4 @@
-name: "prebuilt-25.05"
+name: "prebuilt-25.11"
 
 on:
   workflow_dispatch: # allows manual triggering
@@ -23,4 +23,4 @@ jobs:
       if: github.ref != 'refs/heads/main'
       with:
         name: microvm
-    - run: nix build -L .#prebuilt --override-input nixpkgs github:nixos/nixpkgs/release-25.05
+    - run: nix build -L .#prebuilt --override-input nixpkgs github:nixos/nixpkgs/release-25.11