diff --git a/apps/backend/package.json b/apps/backend/package.json
index 5e1e0b0..8f51de7 100644
--- a/apps/backend/package.json
+++ b/apps/backend/package.json
@@ -114,7 +114,12 @@
     "rootDir": "src",
     "testRegex": ".*\\.spec\\.ts$",
     "transform": {
-      "^.+\\.(t|j)s$": "ts-jest"
+      "^.+\\.(t|j)s$": [
+        "ts-jest",
+        {
+          "tsconfig": "tsconfig.test.json"
+        }
+      ]
     },
     "collectCoverageFrom": [
       "**/*.(t|j)s"