diff --git a/.github/workflows/building-conda.yml b/.github/workflows/building-conda.yml
index e4b08d5f..f3e4a339 100644
--- a/.github/workflows/building-conda.yml
+++ b/.github/workflows/building-conda.yml
@@ -10,12 +10,12 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [windows-2019]
+        os: [ubuntu-18.04]
         # os: [ubuntu-18.04, macos-10.15, windows-2019]
-        python-version: ['3.7', '3.8', '3.9', '3.10']
+        python-version: ['3.10']
+        # python-version: ['3.7', '3.8', '3.9', '3.10']
         torch-version: [1.10.0, 1.11.0]
-        cuda-version: ['cu115']
-        # cuda-version: ['cpu', 'cu102', 'cu113', 'cu115']
+        cuda-version: ['cpu', 'cu102', 'cu113', 'cu115']
         exclude:
           - torch-version: 1.10.0
             cuda-version: 'cu115'