diff --git a/packages/abi-gen-wrappers/package.json b/packages/abi-gen-wrappers/package.json
index 7236cf6ffd..a86eb7ed15 100644
--- a/packages/abi-gen-wrappers/package.json
+++ b/packages/abi-gen-wrappers/package.json
@@ -32,6 +32,7 @@
     "devDependencies": {
         "@0x/abi-gen": "^1.0.16",
         "@0x/tslint-config": "^1.0.10",
+        "@0x/types": "^1.2.1",
         "@0x/utils": "^2.0.5",
         "@0x/web3-wrapper": "^3.1.4",
         "ethereum-types": "^1.1.2",