diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 486b0cba..900a9eb4 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -30,6 +30,9 @@ jobs:
         - os: ubuntu-latest
           python: '3.14'
           toxenv: py
+        - os: ubuntu-latest
+          python: '3.15-dev'
+          toxenv: py
         # windows
         - os: windows-latest
           python: '3.10'