diff --git a/.github/workflows/build_dist.yml b/.github/workflows/build_dist.yml
index 10f2b25..01a4233 100644
--- a/.github/workflows/build_dist.yml
+++ b/.github/workflows/build_dist.yml
@@ -43,7 +43,7 @@ jobs:
             target: linux
           - os: windows-latest
             target: windows
-          - os: macos-13
+          - os: macos-15-intel
             target: macos-x86_64
           - os: macos-14
             target: macos-arm64
diff --git a/README.md b/README.md
index b205141..3d5a421 100644
--- a/README.md
+++ b/README.md
@@ -11,6 +11,7 @@
 ![Dist Workflow](https://github.com/MatchCake/TorchPfaffian/actions/workflows/build_dist.yml/badge.svg)
 ![Doc Workflow](https://github.com/MatchCake/TorchPfaffian/actions/workflows/docs.yml/badge.svg)
 ![Coverage Badge Workflow](https://github.com/MatchCake/TorchPfaffian/actions/workflows/coverage_badge.yml/badge.svg)
+[![codecov](https://codecov.io/gh/MatchCake/TorchPfaffian/graph/badge.svg?token=Z1TK10CJUC)](https://codecov.io/gh/MatchCake/TorchPfaffian)
 
 
 # Description