diff --git a/packages/ethapi/package.json b/packages/ethapi/package.json
index 7f6dc445f3..66f53435eb 100644
--- a/packages/ethapi/package.json
+++ b/packages/ethapi/package.json
@@ -25,7 +25,7 @@
   "dependencies": {
     "@joincivil/utils": "^1.3.0",
     "bignumber.js": "^5.0.0",
-    "debug": "^3.1.0",
+    "debug": "^4.1.1",
     "ethereumjs-util": "^5.2.0",
     "lodash": "^4.17.10",
     "rxjs": "^5.5.6",