diff --git a/.vscode/extensions.json b/.vscode/extensions.json
index 469c5cd55..3f9c63680 100644
--- a/.vscode/extensions.json
+++ b/.vscode/extensions.json
@@ -6,6 +6,7 @@
     "amodio.tsl-problem-matcher",
     "dbaeumer.vscode-eslint",
     "esbenp.prettier-vscode",
+    "firsttris.vscode-jest-runner",
     "Orta.vscode-jest",
   ],
   // List of extensions recommended by VS Code that should not be recommended for users of this workspace.
diff --git a/.vscode/settings.json b/.vscode/settings.json
index aa0ec1a1a..7c476e785 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -42,6 +42,12 @@
     "LANG": "en-US",
     "TZ": "UTC"
   },
+  "jestrunner.debugOptions": {
+    "attachSimplePort": 9223,
+    "env": {
+      "VSCODE_WAIT_FOR_DEBUGGER": "true",
+    }
+  },
   "[typescript]": {
     "editor.defaultFormatter": "esbenp.prettier-vscode",
     "editor.formatOnSave": true,
diff --git a/extensions/ql-vscode/src/vscode-tests/jest-runner-vscode.config.base.js b/extensions/ql-vscode/src/vscode-tests/jest-runner-vscode.config.base.js
index 71009f786..f8e1a45cb 100644
--- a/extensions/ql-vscode/src/vscode-tests/jest-runner-vscode.config.base.js
+++ b/extensions/ql-vscode/src/vscode-tests/jest-runner-vscode.config.base.js
@@ -17,7 +17,11 @@ const config = {
 };
 
 if (process.env.VSCODE_INSPECTOR_OPTIONS) {
-  config.launchArgs?.push("--inspect-extensions", "9223");
+  if (process.env.VSCODE_WAIT_FOR_DEBUGGER === "true") {
+    config.launchArgs?.push("--inspect-brk-extensions", "9223");
+  } else {
+    config.launchArgs?.push("--inspect-extensions", "9223");
+  }
 }
 
 module.exports = {