diff --git a/examples/websocket/Cargo.toml b/examples/websocket/Cargo.toml
index 18b417ce..079474ae 100644
--- a/examples/websocket/Cargo.toml
+++ b/examples/websocket/Cargo.toml
@@ -13,4 +13,4 @@ tokio-tungstenite = "0.18"
 tokio = "1.11.0"
 pretty_env_logger = "0.4"
 sha1 = "0.10"
-base64 = "0.13"
+base64 = "0.21"
diff --git a/examples/websocket/src/ws.rs b/examples/websocket/src/ws.rs
index 8ffe7494..a704dfc2 100644
--- a/examples/websocket/src/ws.rs
+++ b/examples/websocket/src/ws.rs
@@ -1,3 +1,4 @@
+use base64::prelude::*;
 use gotham::hyper::header::{
     HeaderValue, CONNECTION, SEC_WEBSOCKET_ACCEPT, SEC_WEBSOCKET_KEY, UPGRADE,
 };
@@ -57,7 +58,7 @@ fn accept_key(key: &[u8]) -> String {
     let mut sha1 = Sha1::default();
     sha1.update(key);
     sha1.update(WS_GUID);
-    base64::encode(&sha1.finalize())
+    BASE64_STANDARD.encode(&sha1.finalize())
 }
 
 #[cfg(test)]
diff --git a/gotham/Cargo.toml b/gotham/Cargo.toml
index bd476ed8..e9621f20 100644
--- a/gotham/Cargo.toml
+++ b/gotham/Cargo.toml
@@ -30,7 +30,7 @@ borrow-bag = { path = "../misc/borrow_bag", version = "1.1" }
 gotham_derive = { path = "../gotham_derive", version = "0.7", optional = true }
 
 anyhow = "1.0"
-base64 = "0.13"
+base64 = "0.21"
 bincode = { version = "1.0", optional = true }
 bytes = "1.0"
 cookie = "0.15"
diff --git a/gotham/src/middleware/session/mod.rs b/gotham/src/middleware/session/mod.rs
index d261fa01..ec237e67 100644
--- a/gotham/src/middleware/session/mod.rs
+++ b/gotham/src/middleware/session/mod.rs
@@ -8,6 +8,7 @@ use std::panic::RefUnwindSafe;
 use std::pin::Pin;
 use std::sync::{Arc, Mutex, PoisonError};
 
+use base64::prelude::*;
 use cookie::{Cookie, CookieJar};
 use futures_util::future::{self, FutureExt, TryFutureExt};
 use hyper::header::SET_COOKIE;
@@ -847,7 +848,7 @@ where
         };
 
         SessionIdentifier {
-            value: base64::encode_config(&bytes[..], base64::URL_SAFE_NO_PAD),
+            value: BASE64_URL_SAFE_NO_PAD.encode(&bytes[..]),
         }
     }
 }