diff --git a/packages/protocol/package.json b/packages/protocol/package.json
index 4ea5e760bfe..7836a88110b 100644
--- a/packages/protocol/package.json
+++ b/packages/protocol/package.json
@@ -55,7 +55,7 @@
     "openzeppelin-solidity": "^2.2.0",
     "prompts": "^2.0.1",
     "solhint": "^2.0.0",
-    "solidity-bytes-utils": "^0.0.7",
+    "solidity-bytes-utils": "^0.0.9",
     "solidity-coverage": "rotcivegaf/solidity-coverage#5875f5b7",
     "truffle": "5.0.19",
     "truffle-artifactor": "^3.0.7",