diff --git a/Cargo.toml b/Cargo.toml
index 9fa90a7..9751127 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -14,21 +14,21 @@ repository = "https://github.com/cheetah-games/jsonwebtoken-google"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-jsonwebtoken = "8.0.1"
+jsonwebtoken = "9.2.0"
 serde = { version = "1.0", features = ["derive"] }
 reqwest = { version = "0.11", default-features = false, features = ["json", "rustls-tls"] }
-headers = "0.3.1"
+headers = "0.3.9"
 tokio = "1.0"
 httpmock = { version = "0.6.2", optional = true }
-rustls = { version = "0.20.2" }
-base64 = { version = "0.13.0", optional = true }
+rustls = { version = "0.22.1" }
+base64 = { version = "0.21.5", optional = true }
 thiserror = "1.0.30"
-rsa = "0.8.2"
+rsa = "0.9.6"
 rand = "0.8.5"
 
 [dev-dependencies]
 httpmock = { version = "0.6.2" }
-base64 = { version = "0.13.0" }
+base64 = { version = "0.21.5" }
 
 [features]
 test-helper = ["httpmock", "base64"]
diff --git a/src/test_helper/mod.rs b/src/test_helper/mod.rs
index 2956ffa..9fc7571 100644
--- a/src/test_helper/mod.rs
+++ b/src/test_helper/mod.rs
@@ -1,11 +1,14 @@
 use std::ops::Add;
 use std::time::{Duration, SystemTime, UNIX_EPOCH};
 
+use base64::Engine;
+use base64::engine::general_purpose::URL_SAFE_NO_PAD;
 use httpmock::MockServer;
 use jsonwebtoken::{Algorithm, EncodingKey, Header};
 use rand::thread_rng;
 use rsa::pkcs8::EncodePrivateKey;
-use rsa::{PublicKeyParts, RsaPrivateKey};
+use rsa::traits::PublicKeyParts;
+use rsa::RsaPrivateKey;
 use serde::{Deserialize, Serialize};
 
 use crate::Parser;
@@ -77,8 +80,8 @@ pub fn setup_public_key_server(claims: &TokenClaims) -> (String, MockServer) {
         .unwrap();
     let key = EncodingKey::from_rsa_pem(der.as_bytes()).unwrap();
     let token = jsonwebtoken::encode::<TokenClaims>(&header, claims, &key).unwrap();
-    let n = base64::encode_config(private_key.n().to_bytes_be(), base64::URL_SAFE_NO_PAD);
-    let e = base64::encode_config(private_key.e().to_bytes_be(), base64::URL_SAFE_NO_PAD);
+    let n = URL_SAFE_NO_PAD.encode(private_key.n().to_bytes_be());
+    let e = URL_SAFE_NO_PAD.encode(private_key.e().to_bytes_be());
     let resp = format!("{{\"keys\": [{{\"kty\": \"RSA\",\"use\": \"sig\",\"e\": \"{}\",\"n\": \"{}\",\"alg\": \"RS256\",\"kid\": \"{}\"}}]}}", e, n, KID);
 
     let server = MockServer::start();