diff --git a/vault-api/Cargo.toml b/vault-api/Cargo.toml
index 1de235f..19667be 100644
--- a/vault-api/Cargo.toml
+++ b/vault-api/Cargo.toml
@@ -39,5 +39,5 @@ uuid = {version = "0.5", optional = true, features = ["serde", "v4"]}
 
 
 [dev-dependencies]
-clap = "2.25"
+clap = "4.0"
 error-chain = "0.11"