diff --git a/vault-api/Cargo.toml b/vault-api/Cargo.toml
index c73cdfb..a5fc3bf 100644
--- a/vault-api/Cargo.toml
+++ b/vault-api/Cargo.toml
@@ -40,4 +40,4 @@ uuid = {version = "0.5", optional = true, features = ["serde", "v4"]}
 
 [dev-dependencies]
 clap = "2.25"
-error-chain = "0.11"
+error-chain = "0.12"