diff --git a/.github/workflows/hatch-matrix.json b/.github/workflows/hatch-matrix.json
new file mode 100644
index 0000000..141d1bb
--- /dev/null
+++ b/.github/workflows/hatch-matrix.json
@@ -0,0 +1,36 @@
+{
+  "include": [
+    {
+      "hatch-env-name": "test.py3.10-numpy-version=1",
+      "python-version": "3.10"
+    },
+    {
+      "hatch-env-name": "test.py3.10-numpy-version=2",
+      "python-version": "3.10"
+    },
+    {
+      "hatch-env-name": "test.py3.11-numpy-version=1",
+      "python-version": "3.11"
+    },
+    {
+      "hatch-env-name": "test.py3.11-numpy-version=2",
+      "python-version": "3.11"
+    },
+    {
+      "hatch-env-name": "test.py3.12-numpy-version=1",
+      "python-version": "3.12"
+    },
+    {
+      "hatch-env-name": "test.py3.12-numpy-version=2",
+      "python-version": "3.12"
+    },
+    {
+      "hatch-env-name": "test.py3.13-numpy-version=1",
+      "python-version": "3.13"
+    },
+    {
+      "hatch-env-name": "test.py3.13-numpy-version=2",
+      "python-version": "3.13"
+    }
+  ]
+}
diff --git a/.github/workflows/pr.yml b/.github/workflows/pr.yml
index a5d6950..d53f80b 100644
--- a/.github/workflows/pr.yml
+++ b/.github/workflows/pr.yml
@@ -6,6 +6,14 @@ on:
     branches: ["main", "v1"]
 
 jobs:
+  prepare-matrix:
+    runs-on: ubuntu-latest
+    outputs:
+      matrix: ${{ steps.set-matrix.outputs.matrix }}
+    steps:
+    - name: Set matrix
+      id: set-matrix
+      run: echo "matrix=$(cat .github/workflows/hatch-matrix.json | jq -c )" >> $GITHUB_OUTPUT
   test:
     runs-on: ubuntu-latest
     strategy: