diff --git a/Cargo.toml b/Cargo.toml
index e6c5a1d..d5b7bd9 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -26,7 +26,7 @@ httparse = "1.3.4"
 input_buffer = "0.3.0"
 log = "0.4.8"
 rand = "0.7.2"
-sha-1 = "0.8.1"
+sha-1 = "0.9"
 url = "2.1.0"
 utf-8 = "0.7.5"
 
diff --git a/src/handshake/mod.rs b/src/handshake/mod.rs
index 3983690..ce6b4dd 100644
--- a/src/handshake/mod.rs
+++ b/src/handshake/mod.rs
@@ -118,9 +118,9 @@ fn convert_key(input: &[u8]) -> Result<String, Error> {
     // ... with the string "258EAFA5-E914-47DA-95CA-C5AB0DC85B11" (RFC 6455)
     const WS_GUID: &[u8] = b"258EAFA5-E914-47DA-95CA-C5AB0DC85B11";
     let mut sha1 = Sha1::default();
-    sha1.input(input);
-    sha1.input(WS_GUID);
-    Ok(base64::encode(&sha1.result()))
+    sha1.update(input);
+    sha1.update(WS_GUID);
+    Ok(base64::encode(&sha1.finalize()))
 }
 
 #[cfg(test)]