diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 1a6bd1c4e..0ae580bc7 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -95,6 +95,10 @@ jobs:
         exclude:
           - python: '3.13'
             platform: macos-latest
+          - python: '3.13'
+            platform: windows-latest
+          - python: '3.13'
+            platform: ubuntu-24.04-arm
     steps:
       - name: "🛒 Checkout"
         uses: actions/checkout@v4
diff --git a/lenskit/pyproject.toml b/lenskit/pyproject.toml
index 2dee4bfff..ebf75cec6 100644
--- a/lenskit/pyproject.toml
+++ b/lenskit/pyproject.toml
@@ -75,6 +75,4 @@ url = "https://download.pytorch.org/whl/cpu"
 explicit = true
 
 [tool.uv.sources]
-torch = [
-  { index = "pytorch-cpu", marker = "platform_system == 'Linux' and platform_machine == 'x86_64'" },
-]
+torch = [{ index = "pytorch-cpu" }]
diff --git a/pixi.lock b/pixi.lock
index d500b1bff..ab9f57916 100644
--- a/pixi.lock
+++ b/pixi.lock
@@ -15554,8 +15554,8 @@ packages:
   timestamp: 1729655345825
 - pypi: lenskit
   name: lenskit
-  version: 2025.0.0a7.dev14+gdfe18c8f.d20250118
-  sha256: c6f525419b5d5f59d260dc703983346c0500497e4f369fa1e8e920c78b2161b9
+  version: 2025.0.0a7.dev16+g25e8f4cb.d20250118
+  sha256: d7287532fecd72c29026e80460b2ca761869f21ab290419061d3f622190c1a38
   requires_dist:
   - more-itertools>=9.0
   - numpy>=1.25
diff --git a/workflows/test.ts b/workflows/test.ts
index 8f6a35ece..1816d05c9 100644
--- a/workflows/test.ts
+++ b/workflows/test.ts
@@ -39,7 +39,11 @@ const test_matrix = {
     matrix: {
       python: PYTHONS,
       platform: VANILLA_PLATFORMS,
-      exclude: [{ python: "3.13", platform: "macos-latest" }],
+      exclude: [
+        { python: "3.13", platform: "macos-latest" },
+        { python: "3.13", platform: "windows-latest" },
+        { python: "3.13", platform: "ubuntu-24.04-arm" },
+      ],
     },
   }),
   nojit: testJob({