diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index fb0f3312f0..cda0519fb1 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -75,7 +75,10 @@ jobs:
         run: uvx hatch run ${{ matrix.env.name }}:run
       - name: Run tests (coverage)
         if: matrix.env.test-type == 'coverage'
-        run: uvx hatch run ${{ matrix.env.name }}:run-cov --cov --cov-report=xml
+        run: |
+          uvx hatch run ${{ matrix.env.name }}:run-cov
+          uvx hatch run ${{ matrix.env.name }}:coverage combine
+          uvx hatch run ${{ matrix.env.name }}:coverage xml
 
       - name: Upload coverage data
         uses: codecov/codecov-action@v5
diff --git a/pyproject.toml b/pyproject.toml
index 2a86e68501..c7e64757d0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -61,7 +61,7 @@ dependencies = [
     "networkx>=2.8.8",
     "natsort",
     "joblib",
-    "numba>=0.58.1",
+    "numba >=0.58.1, !=0.62.0rc1",                #https://github.com/numba/numba/issues/10202
     "umap-learn>=0.5.7",
     "pynndescent>=0.5.13",
     "packaging>=21.3",
@@ -87,7 +87,7 @@ scanpy = "scanpy.cli:console_main"
 test-min = [
     "pytest>=8.2",
     "pytest-mock",
-    "pytest-cov",
+    "pytest-cov",           # only for use from VS Code
     "pytest-xdist[psutil]",
     "pytest-randomly",
     "pytest-rerunfailures",