diff --git a/package-lock.json b/package-lock.json
index 9b68983..e6d9412 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -7,6 +7,9 @@
     "": {
       "name": "merge_group_test",
       "version": "0.0.0",
+      "dependencies": {
+        "lodash": "^1.3.1"
+      },
       "devDependencies": {
         "@types/node": "^24.0.3",
         "@voxpelli/tsconfig": "^15.1.2",
@@ -33,6 +36,16 @@
         "typescript": "~5.6.2 || ~5.7.2 || ~5.8.0"
       }
     },
+    "node_modules/lodash": {
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-1.3.1.tgz",
+      "integrity": "sha512-F7AB8u+6d00CCgnbjWzq9fFLpzOMCgq6mPjOW4+8+dYbrnc0obRrC+IHctzfZ1KKTQxX0xo/punrlpOWcf4gpw==",
+      "engines": [
+        "node",
+        "rhino"
+      ],
+      "license": "MIT"
+    },
     "node_modules/typescript": {
       "version": "5.8.3",
       "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.8.3.tgz",
diff --git a/package.json b/package.json
index fd7aacf..643a737 100644
--- a/package.json
+++ b/package.json
@@ -2,10 +2,12 @@
   "name": "merge_group_test",
   "description": "WIP - nothing to see here",
   "version": "0.0.0",
-  "dependencies": {},
+  "dependencies": {
+    "lodash": "^1.3.1"
+  },
   "devDependencies": {
-    "@voxpelli/tsconfig": "^15.1.2",
     "@types/node": "^24.0.3",
+    "@voxpelli/tsconfig": "^15.1.2",
     "typescript": "~5.8.2"
   },
   "type": "module",