Update Cargo.toml

Author: gagdiez

Cargo.toml

@@ -16,7 +16,7 @@ crate-type = ["cdylib", "rlib"]
 near-sdk = { version = "5.1.0", features = ["unstable"] }
 
 [dev-dependencies]
-near-sdk = { version = "5.0.0", features = ["unit-testing"] }
+near-sdk = { version = "5.1.0", features = ["unit-testing"] }
 near-workspaces = { version = "0.10.0", features = ["unstable"] }
 tokio = { version = "1.12.0", features = ["full"] }
 serde_json = "1"