diff --git a/third_party/nixpkgs/pkgs/by-name/fa/factorio/update.py b/third_party/nixpkgs/pkgs/by-name/fa/factorio/update.py
index 1fce951798..2fd01fd4bb 100755
--- a/third_party/nixpkgs/pkgs/by-name/fa/factorio/update.py
+++ b/third_party/nixpkgs/pkgs/by-name/fa/factorio/update.py
@@ -68,7 +68,10 @@ RELEASE_TYPES = [
         needs_auth=True,
         hash_filename_format=["factorio_linux_{version}.tar.xz"],
     ),
-    ReleaseType("demo", hash_filename_format=["factorio_demo_x64_{version}.tar.xz"]),
+    ReleaseType("demo", hash_filename_format=[
+        "factorio-demo_linux_{version}.tar.xz",
+        "factorio_demo_x64_{version}.tar.xz",
+    ]),
     ReleaseType(
         "headless",
         hash_filename_format=[
diff --git a/third_party/nixpkgs/pkgs/by-name/fa/factorio/versions.json b/third_party/nixpkgs/pkgs/by-name/fa/factorio/versions.json
index a276ded9f0..d23eefe501 100644
--- a/third_party/nixpkgs/pkgs/by-name/fa/factorio/versions.json
+++ b/third_party/nixpkgs/pkgs/by-name/fa/factorio/versions.json
@@ -27,16 +27,19 @@
     "demo": {
       "experimental": {
         "candidateHashFilenames": [
+          "factorio-demo_linux_2.0.27.tar.xz",
           "factorio_demo_x64_2.0.27.tar.xz"
         ],
         "name": "factorio_demo_x64-2.0.27.tar.xz",
         "needsAuth": false,
+        "sha256": "75938e76d0e730273616e2441ae3c3bc238bb3cfa38d34a43e5fb25a3d1f2323",
         "tarDirectory": "x64",
         "url": "https://factorio.com/get-download/2.0.27/demo/linux64",
         "version": "2.0.27"
       },
       "stable": {
         "candidateHashFilenames": [
+          "factorio-demo_linux_1.1.110.tar.xz",
           "factorio_demo_x64_1.1.110.tar.xz"
         ],
         "name": "factorio_demo_x64-1.1.110.tar.xz",