diff --git a/.vscode/spellright.dict b/.vscode/spellright.dict
index 84b2d2b..6be03f8 100644
--- a/.vscode/spellright.dict
+++ b/.vscode/spellright.dict
@@ -25,3 +25,4 @@ md
 typenum
 rs
 ecc
+rt
diff --git a/Cargo.toml b/Cargo.toml
index 8cd9274..b1c42f4 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -50,8 +50,8 @@ wasm-bindgen-test = "0.3.19"
 
 [target.'cfg(not(target_arch = "wasm32"))'.dev-dependencies]
 futures-util = "0.3.8"
-reqwest = "0.10.10"
-tokio = "0.2.24"
+reqwest = "0.11.0"
+tokio = {version = "1.0.1", features = ["rt-multi-thread"]}
 
 [[bench]]
 harness = false
diff --git a/src/lib.rs b/src/lib.rs
index faded0b..57be6d9 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -198,7 +198,7 @@ mod tests {
         let client = reqwest::Client::new();
         let params = [("data", MSG), ("pub", pk_hex.as_str())];
 
-        let mut rt = Runtime::new().unwrap();
+        let rt = Runtime::new().unwrap();
         let res = rt
             .block_on(
                 client