diff --git a/ethcontract-common/Cargo.toml b/ethcontract-common/Cargo.toml
index fa8e6d0..eaa0232 100644
--- a/ethcontract-common/Cargo.toml
+++ b/ethcontract-common/Cargo.toml
@@ -13,7 +13,7 @@ Common types for ethcontract-rs runtime and proc macro.
 """
 
 [dependencies]
-ethabi = "17.0.0"
+ethabi = "18.0.0"
 hex = "0.4"
 serde = "1.0"
 serde_derive = "1.0"