diff --git a/sasl/Cargo.toml b/sasl/Cargo.toml
index 3416954..62c6ec9 100644
--- a/sasl/Cargo.toml
+++ b/sasl/Cargo.toml
@@ -18,8 +18,8 @@ default = ["scram"]
 scram = ["openssl"]
 
 [dependencies]
-base64 = "0.6.0"
+base64 = "0.9.0"
 
 [dependencies.openssl]
-version = "0.9.13"
+version = "0.10.4"
 optional = true
diff --git a/sasl/src/common/scram.rs b/sasl/src/common/scram.rs
index 8ebe4aa..f9bae91 100644
--- a/sasl/src/common/scram.rs
+++ b/sasl/src/common/scram.rs
@@ -46,14 +46,14 @@ impl ScramProvider for Sha1 { // TODO: look at all these unwraps
     fn name() -> &'static str { "SHA-1" }
 
     fn hash(data: &[u8]) -> Vec<u8> {
-        hash(MessageDigest::sha1(), data).unwrap()
+        hash(MessageDigest::sha1(), data).unwrap().to_vec()
     }
 
     fn hmac(data: &[u8], key: &[u8]) -> Vec<u8> {
         let pkey = PKey::hmac(key).unwrap();
         let mut signer = Signer::new(MessageDigest::sha1(), &pkey).unwrap();
         signer.update(data).unwrap();
-        signer.finish().unwrap()
+        signer.sign_to_vec().unwrap()
     }
 
     fn derive(password: &Password, salt: &[u8], iterations: usize) -> Result<Vec<u8>, String> {
@@ -90,14 +90,14 @@ impl ScramProvider for Sha256 { // TODO: look at all these unwraps
     fn name() -> &'static str { "SHA-256" }
 
     fn hash(data: &[u8]) -> Vec<u8> {
-        hash(MessageDigest::sha256(), data).unwrap()
+        hash(MessageDigest::sha256(), data).unwrap().to_vec()
     }
 
     fn hmac(data: &[u8], key: &[u8]) -> Vec<u8> {
         let pkey = PKey::hmac(key).unwrap();
         let mut signer = Signer::new(MessageDigest::sha256(), &pkey).unwrap();
         signer.update(data).unwrap();
-        signer.finish().unwrap()
+        signer.sign_to_vec().unwrap()
     }
 
     fn derive(password: &Password, salt: &[u8], iterations: usize) -> Result<Vec<u8>, String> {