diff --git a/bun.lock b/bun.lock
index be10ed2..791d541 100644
--- a/bun.lock
+++ b/bun.lock
@@ -127,6 +127,7 @@
       "devDependencies": {
         "@macalinao/eslint-config": "catalog:",
         "@macalinao/tsconfig": "catalog:",
+        "@types/bun": "^1.3.5",
         "eslint": "catalog:",
         "typescript": "catalog:",
       },
diff --git a/packages/api-contract/package.json b/packages/api-contract/package.json
index 31d05d2..fea2997 100644
--- a/packages/api-contract/package.json
+++ b/packages/api-contract/package.json
@@ -25,6 +25,7 @@
   "devDependencies": {
     "@macalinao/eslint-config": "catalog:",
     "@macalinao/tsconfig": "catalog:",
+    "@types/bun": "^1.3.5",
     "eslint": "catalog:",
     "typescript": "catalog:"
   }
diff --git a/packages/api-contract/tsconfig.json b/packages/api-contract/tsconfig.json
index c9d5403..695de16 100644
--- a/packages/api-contract/tsconfig.json
+++ b/packages/api-contract/tsconfig.json
@@ -1,6 +1,7 @@
 {
   "extends": "@macalinao/tsconfig/tsconfig.base.json",
   "compilerOptions": {
-    "isolatedDeclarations": false
+    "isolatedDeclarations": false,
+    "types": ["bun"]
   }
 }