diff --git a/.github/workflows/Tests.yml b/.github/workflows/Tests.yml
index f4f0626..d144132 100644
--- a/.github/workflows/Tests.yml
+++ b/.github/workflows/Tests.yml
@@ -20,20 +20,5 @@ concurrency:
 
 jobs:
   tests:
-    name: "Tests"
-    strategy:
-      fail-fast: false
-      matrix:
-        version:
-          - "1"
-          - "lts"
-          - "pre"
-        os:
-          - "ubuntu-latest"
-          - "macos-latest"
-          - "windows-latest"
-    uses: "SciML/.github/.github/workflows/tests.yml@v1"
-    with:
-      julia-version: "${{ matrix.version }}"
-      os: "${{ matrix.os }}"
+    uses: "SciML/.github/.github/workflows/grouped-tests.yml@v1"
     secrets: "inherit"
diff --git a/test/test_groups.toml b/test/test_groups.toml
new file mode 100644
index 0000000..79352ec
--- /dev/null
+++ b/test/test_groups.toml
@@ -0,0 +1,3 @@
+[Core]
+versions = ["lts", "1", "pre"]
+os = ["ubuntu-latest", "macos-latest", "windows-latest"]