diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 6171120..b544bc3 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -8,7 +8,7 @@ jobs:
   test-bot:
     strategy:
       matrix:
-        os: [ubuntu-20.04, ubuntu-22.04, macos-12, macos-13]
+        os: [ubuntu-20.04, ubuntu-22.04, macos-13, macos-latest]
     runs-on: ${{ matrix.os }}
     env:
       HOMEBREW_NO_INSTALL_FROM_API: 1
diff --git a/Formula/coveralls.rb b/Formula/coveralls.rb
index cc2c276..281672c 100644
--- a/Formula/coveralls.rb
+++ b/Formula/coveralls.rb
@@ -1,8 +1,8 @@
 class Coveralls < Formula
   desc "Self-contained, universal coverage uploader for Coveralls"
   homepage "https://github.com/coverallsapp/coverage-reporter"
-  url "https://github.com/coverallsapp/coverage-reporter/archive/refs/tags/v0.6.14.tar.gz"
-  sha256 "32ddfdd3d6b9001ccf394d9679c919f506eb35cb83dcba8fd17ba2c898bff027"
+  url "https://github.com/coverallsapp/coverage-reporter/archive/refs/tags/v0.6.15.tar.gz"
+  sha256 "b29d4b2c61ebce695c35077099da3a53b72c1280f77da4a220288ff306508e79"
   license "MIT"
 
   bottle do