diff --git a/.test-watch.exs b/.test-watch.exs
new file mode 100644
index 00000000..51b5ddb5
--- /dev/null
+++ b/.test-watch.exs
@@ -0,0 +1,6 @@
+[
+  tasks: [
+    "test --stale"  # Only run tests affected by changed files
+  ],
+  clear: true  # Clear screen before running tests
+]