diff --git a/.github/workflows/nix.yml b/.github/workflows/nix.yml
index 19af626..e3550c6 100644
--- a/.github/workflows/nix.yml
+++ b/.github/workflows/nix.yml
@@ -18,6 +18,7 @@ jobs:
         channel:
           - nixos-unstable
           - nixos-25.05
+          - nixos-25.11
         system:
           - aarch64-linux
           - x86_64-linux
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index baed4d5..5cfe8be 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -3,7 +3,7 @@ stages:
 
 build:
   stage: build
-  image: nixpkgs/nix:nixos-23.05
+  image: nixpkgs/nix:nixos-25.05
   script: nix-shell --run ./ci.sh
   parallel:
     matrix:
@@ -11,3 +11,4 @@ build:
         IMAGE_TAG: latest
       - NIXPKGS_CHANNEL:
           - nixos-25.05
+          - nixos-25.11
diff --git a/README.md b/README.md
index 5da449c..10ddff1 100644
--- a/README.md
+++ b/README.md
@@ -40,6 +40,7 @@ nixpkgs channel describes.
 | Channel        | Image Tag   | Description                                       |
 | ---            | ---         | ---                                               |
 | nixos-25.05    | nixos-25.05 | only minor versions that include security updates |
+| nixos-25.11    | nixos-25.11 | only minor versions that include security updates |
 | nixos-unstable | latest      | latest and greatest, major versions might change  |
 
 ## List of images