diff --git a/web/gui2-topo-lib/projects/gui2-topo-tester/tsconfig.spec.json b/web/gui2-topo-lib/projects/gui2-topo-tester/tsconfig.spec.json
new file mode 100644
index 0000000..a809b0a
--- /dev/null
+++ b/web/gui2-topo-lib/projects/gui2-topo-tester/tsconfig.spec.json
@@ -0,0 +1,18 @@
+{
+  "extends": "../../tsconfig.json",
+  "compilerOptions": {
+    "outDir": "../../out-tsc/spec",
+    "types": [
+      "jasmine",
+      "node"
+    ]
+  },
+  "files": [
+    "src/test.ts",
+    "src/polyfills.ts"
+  ],
+  "include": [
+    "**/*.spec.ts",
+    "**/*.d.ts"
+  ]
+}