diff --git a/Cargo.toml b/Cargo.toml
index cd55dfbf..4cf04e74 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -16,11 +16,11 @@ license = "MPL-2.0"
 minidom = "0.6.2"
 jid = { version = "0.3.1", features = ["minidom"] }
 base64 = "0.7.0"
-digest = "0.6.0"
-sha-1 = "0.4.0"
-sha2 = "0.6.0"
-sha3 = "0.6.0"
-blake2 = "0.6.1"
+digest = "0.7.1"
+sha-1 = "0.7.0"
+sha2 = "0.7.0"
+sha3 = "0.7.0"
+blake2 = "0.7.0"
 chrono = "0.4.0"
 try_from = "0.2.2"
 
diff --git a/src/caps.rs b/src/caps.rs
index 2b986795..27d511ca 100644
--- a/src/caps.rs
+++ b/src/caps.rs
@@ -16,7 +16,7 @@ use ns;
 use base64;
 
 use digest::Digest;
-use sha_1::Sha1;
+use sha1::Sha1;
 use sha2::{Sha256, Sha512};
 use sha3::{Sha3_256, Sha3_512};
 //use blake2::Blake2b;
diff --git a/src/ecaps2.rs b/src/ecaps2.rs
index 347d1dac..b4c407c2 100644
--- a/src/ecaps2.rs
+++ b/src/ecaps2.rs
@@ -15,11 +15,10 @@ use error::Error;
 use ns;
 use base64;
 
-use digest::Digest;
 use sha2::{Sha256, Sha512};
 use sha3::{Sha3_256, Sha3_512};
-//use blake2::Blake2b;
-//use digest::{Digest, VariableOutput};
+use blake2::Blake2b;
+use digest::{Digest, VariableOutput};
 
 #[derive(Debug, Clone)]
 pub struct ECaps2 {
@@ -144,9 +143,6 @@ pub fn hash_ecaps2(data: &[u8], algo: Algo) -> Result<Hash, String> {
                 let hash = hasher.result();
                 get_hash_vec(hash.as_slice())
             },
-            Algo::Blake2b_256
-          | Algo::Blake2b_512 => panic!("See https://github.com/RustCrypto/hashes/issues/34"),
-            /*
             Algo::Blake2b_256 => {
                 let mut hasher = Blake2b::default();
                 hasher.input(data);
@@ -161,7 +157,6 @@ pub fn hash_ecaps2(data: &[u8], algo: Algo) -> Result<Hash, String> {
                 let hash = hasher.variable_result(&mut buf).unwrap();
                 get_hash_vec(hash)
             },
-            */
             Algo::Sha_1 => return Err(String::from("Disabled algorithm sha-1: unsafe.")),
             Algo::Unknown(algo) => return Err(format!("Unknown algorithm: {}.", algo)),
         },
@@ -452,7 +447,6 @@ mod tests {
     }
 
     #[test]
-    #[ignore]
     fn test_blake2b_512() {
         let hash = ecaps2::hash_ecaps2("abc".as_bytes(), Algo::Blake2b_512).unwrap();
         let known_hash: Vec<u8> = vec!(
diff --git a/src/lib.rs b/src/lib.rs
index 4a40ae11..e5b5439c 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -26,7 +26,7 @@ extern crate minidom;
 extern crate jid;
 extern crate base64;
 extern crate digest;
-extern crate sha_1;
+extern crate sha1;
 extern crate sha2;
 extern crate sha3;
 extern crate blake2;