diff --git a/package-lock.json b/package-lock.json
index defb7a3..ec66f96 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -211,6 +211,14 @@
       "resolved": "https://registry.npmjs.org/@types/node/-/node-10.12.18.tgz",
       "integrity": "sha512-fh+pAqt4xRzPfqA6eh3Z2y6fyZavRIumvjhaCL753+TVkGKGhpPeyrJG2JftD0T9q4GF00KjefsQ+PQNDdWQaQ=="
     },
+    "@types/node-fetch": {
+      "version": "2.1.4",
+      "resolved": "https://registry.npmjs.org/@types/node-fetch/-/node-fetch-2.1.4.tgz",
+      "integrity": "sha512-tR1ekaXUGpmzOcDXWU9BW73YfA2/VW1DF1FH+wlJ82BbCSnWTbdX+JkqWQXWKIGsFPnPsYadbXfNgz28g+ccWg==",
+      "requires": {
+        "@types/node": "*"
+      }
+    },
     "@types/shelljs": {
       "version": "0.8.1",
       "resolved": "https://registry.npmjs.org/@types/shelljs/-/shelljs-0.8.1.tgz",
diff --git a/package.json b/package.json
index bc013c2..042a4ab 100644
--- a/package.json
+++ b/package.json
@@ -55,6 +55,7 @@
   "dependencies": {
     "@oceanprotocol/keeper-contracts": "^0.5.3",
     "@oceanprotocol/secret-store-client": "~0.0.14",
+    "@types/node-fetch": "^2.1.4",
     "bignumber.js": "^8.0.1",
     "ethereumjs-util": "^6.0.0",
     "node-fetch": "^2.3.0",
diff --git a/tsconfig.json b/tsconfig.json
index 111e8db..2c76110 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -14,7 +14,10 @@
     "preserveConstEnums": true,
     "outDir": "./dist/node/",
     "rootDir": "./src/",
-    "sourceMap": true
+    "sourceMap": true,
+    "typeRoots": [
+      "node_modules/@types"
+    ]
   },
   "include": [
     "src/**/*"