diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b3d1cbf..83de984 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -23,7 +23,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [macos-12, macos-13, macos-14]
+        os: [macos-13, macos-14, macos-15]
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # ratchet:actions/checkout@v3
@@ -33,21 +33,21 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [macos-12, macos-13, macos-14]
+        os: [macos-13, macos-14, macos-15]
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # ratchet:actions/checkout@v3
       - name: Run All Tests
         run: bazel test :unit_tests --define=SANTA_BUILD_TYPE=adhoc --test_output=errors
-  test_coverage:
-    runs-on: macos-14
-    steps:
-      - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # ratchet:actions/checkout@v3
-      - name: Generate test coverage
-        run: sh ./generate_cov.sh
-      - name: Coveralls
-        uses: coverallsapp/github-action@09b709cf6a16e30b0808ba050c7a6e8a5ef13f8d # ratchet:coverallsapp/github-action@master
-        with:
-          github-token: ${{ secrets.GITHUB_TOKEN }}
-          path-to-lcov: ./bazel-out/_coverage/_coverage_report.dat
-          flag-name: Unit
+# test_coverage:
+#   runs-on: macos-14
+#   steps:
+#     - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # ratchet:actions/checkout@v3
+#     - name: Generate test coverage
+#       run: sh ./generate_cov.sh
+#     - name: Coveralls
+#       uses: coverallsapp/github-action@09b709cf6a16e30b0808ba050c7a6e8a5ef13f8d # ratchet:coverallsapp/github-action@master
+#       with:
+#         github-token: ${{ secrets.GITHUB_TOKEN }}
+#         path-to-lcov: ./bazel-out/_coverage/_coverage_report.dat
+#         flag-name: Unit