diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3497c6c..c6b65d1 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -58,6 +58,7 @@ jobs:
           - 2.13.12
           - 2.13.13
           - 2.13.14
+          - 2.13.15
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v4