diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 65ec6a9..5d4ba8b 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -377,7 +377,7 @@ jobs:
         python-version: ["3.10", "3.11", "3.12"]
         torch-version: ["2.3.1", "2.4.1", "2.5.1", "2.6.0", "2.7.0"]
         # https://developer.nvidia.com/cuda-toolkit-archive
-        cuda-version: ["11.8.0", 12.4.1"]
+        cuda-version: ["11.8.0", "12.4.1"]
         exclude:
           # torch < 2.2 does not support Python 3.12
           - python-version: "3.12"