diff --git a/package.json b/package.json
index a122595..f55b949 100644
--- a/package.json
+++ b/package.json
@@ -56,7 +56,7 @@
       "ts"
     ],
     "rootDir": "src",
-    "testRegex": ".spec.ts$",
+    "testRegex": ".*\\.spec\\.ts$",
     "transform": {
       "^.+\\.(t|j)s$": "ts-jest"
     },