diff --git a/Makefile b/Makefile
index 78b4da2..3167a68 100644
--- a/Makefile
+++ b/Makefile
@@ -32,10 +32,9 @@ JS_INCLUDE= -I/usr/include/nodejs/src
 help:
 	@grep -E '^[a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-30s\033[0m %s\n", $$1, $$2}'
 	
-# install: build-node-client build-node-tester build-axios-client build-axios-tester build-fetch-client build-fetch-tester ## Build all libraries and tester
-install: build-node-client build-node-tester build-axios-client build-axios-tester ## Build all libraries and tester
+install: build-node-client build-node-tester build-axios-client build-axios-tester build-fetch-client build-fetch-tester ## Build all libraries and tester
 
-test: test-node-client test-axios-client ## Test all clients
+test: test-node-client test-axios-client test-fetch-client ## Test all clients
 
 test-node-client: ## Test node client
 	export HOST='https://staging.node.skycoin.net' && \
@@ -70,6 +69,9 @@ build-node-tester: ## Build node client tester
 build-axios-tester: ## Build tester
 	(cd ./tests/axios/ && npm install)
 
+build-fetch-tester: ## Build tester
+	(cd ./tests/fetch/ && npm install)
+
 configure: ## Configure build environment
 	set -ex
 	mkdir -p $(BUILD_DIR)/usr/tmp $(BUILD_DIR)/usr/lib $(BUILD_DIR)/usr/include
diff --git a/lib/skyapi/fetch/package.json b/lib/skyapi/fetch/package.json
index e6266bf..ebf7d7f 100644
--- a/lib/skyapi/fetch/package.json
+++ b/lib/skyapi/fetch/package.json
@@ -9,7 +9,11 @@
     "build": "tsc --outDir dist/",
     "prepare": "npm run build"
   },
+  "dependencies": {
+    "portable-fetch": "^3.0.0"
+  },
   "devDependencies": {
-    "typescript": "^2.4"
+    "@types/node": "^8.0.9",
+    "typescript": "^2.0"
   }
 }
diff --git a/tests/fetch/package.json b/tests/fetch/package.json
index f8201b2..4db5531 100644
--- a/tests/fetch/package.json
+++ b/tests/fetch/package.json
@@ -5,6 +5,13 @@
   "devDependencies": {
     "chai": "^4.2.0",
     "libsky-fetch": "file:../../lib/skyapi/fetch",
-    "mocha": "^6.1.3"
+    "mocha": "^6.1.3",
+    "@types/node": "^8.0.14",
+    "browserify": "^14.4.0",
+    "ts-loader": "^2.3.0",
+    "tsify": "^3.0.1",
+    "typescript": "^2.4.1",
+    "typings": "^2.1.1",
+    "webpack": "^1.13.0"
   }
 }