diff --git a/Cargo.toml b/Cargo.toml
index 8da2312..fc8f19e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -23,7 +23,7 @@ log = "0.4.1"
 mio = "0.6.14"
 mio-extras = "2.0"
 rand = "0.7"
-sha-1 = "0.8.0"
+sha-1 = "0.9"
 slab = "0.4"
 url = "2.0.0"
 
diff --git a/src/handshake.rs b/src/handshake.rs
index b7520bd..7d5ca23 100644
--- a/src/handshake.rs
+++ b/src/handshake.rs
@@ -22,10 +22,10 @@ fn generate_key() -> String {
 pub fn hash_key(key: &[u8]) -> String {
     let mut hasher = sha1::Sha1::new();
 
-    hasher.input(key);
-    hasher.input(WS_GUID.as_bytes());
+    hasher.update(key);
+    hasher.update(WS_GUID.as_bytes());
 
-    encode_base64(&hasher.result())
+    encode_base64(&hasher.finalize())
 }
 
 // This code is based on rustc_serialize base64 STANDARD