diff --git a/ethcontract-mock/Cargo.toml b/ethcontract-mock/Cargo.toml
index 8513a94..4b39112 100644
--- a/ethcontract-mock/Cargo.toml
+++ b/ethcontract-mock/Cargo.toml
@@ -15,7 +15,7 @@ Tools for mocking ethereum contracts.
 [dependencies]
 ethcontract = { version = "0.15.3", path = "../ethcontract" }
 hex = "0.4"
-mockall = "0.10"
+mockall = "0.11"
 rlp = "0.5"
 predicates = "1.0"