diff --git a/.github/workflows/build_documentation.yml b/.github/workflows/build_documentation.yml
index 5680b73d..b3eb3a64 100644
--- a/.github/workflows/build_documentation.yml
+++ b/.github/workflows/build_documentation.yml
@@ -57,6 +57,11 @@ jobs:
                 "branch": "main",
                 "nixpkgsBranch": "nixos-unstable"
               },
+              {
+                "branch": "nixos-25.05",
+                "nixpkgsBranch": "nixos-25.05",
+                "subPath": "25.05"
+              },
               {
                 "branch": "nixos-24.11",
                 "nixpkgsBranch": "nixos-24.11",