diff --git a/srtp/Cargo.toml b/srtp/Cargo.toml
index 745f690..49fbd9d 100644
--- a/srtp/Cargo.toml
+++ b/srtp/Cargo.toml
@@ -11,18 +11,18 @@ shared = { path = "../shared", package = "shared", default-features = false, fea
 rtp = { path = "../rtp", package = "rtp" }
 rtcp = { path = "../rtcp", package = "rtcp" }
 
-retty = "0.24.0"
+retty = "0.24"
 byteorder = "1"
 bytes = "1"
 thiserror = "1.0"
-hmac = { version = "0.12.1", features = ["std", "reset"] }
-sha1 = "0.10.5"
-ctr = "0.8.0"
-aes = "0.7.5"
+hmac = { version = "0.12", features = ["std", "reset"] }
+sha1 = "0.10"
+ctr = "0.9"
+aes = "0.8"
 subtle = "2.4"
-log = "0.4.16"
-aead = { version = "0.4.3", features = ["std"] }
-aes-gcm = { version = "0.10.1", features = ["std"] }
+log = "0.4"
+aead = { version = "0.5", features = ["std"] }
+aes-gcm = { version = "0.10", features = ["std"] }
 
 [dev-dependencies]
-lazy_static = "1.4.0"
+lazy_static = "1.4"
diff --git a/srtp/src/cipher/cipher_aes_cm_hmac_sha1.rs b/srtp/src/cipher/cipher_aes_cm_hmac_sha1.rs
index dfd1299..8e240db 100644
--- a/srtp/src/cipher/cipher_aes_cm_hmac_sha1.rs
+++ b/srtp/src/cipher/cipher_aes_cm_hmac_sha1.rs
@@ -6,9 +6,11 @@ use shared::{
 };
 
 use aes::cipher::generic_array::GenericArray;
+use aes::cipher::KeyIvInit;
+use aes::cipher::StreamCipher;
+use aes::cipher::StreamCipherSeek;
 use byteorder::{BigEndian, ByteOrder, WriteBytesExt};
 use bytes::{BufMut, BytesMut};
-use ctr::cipher::{NewCipher, StreamCipher, StreamCipherSeek};
 use hmac::{Hmac, Mac};
 use sha1::Sha1;
 use std::io::BufWriter;
diff --git a/srtp/src/key_derivation.rs b/srtp/src/key_derivation.rs
index 3f622ed..f4b1489 100644
--- a/srtp/src/key_derivation.rs
+++ b/srtp/src/key_derivation.rs
@@ -1,6 +1,7 @@
 use aes::cipher::generic_array::GenericArray;
-use aes::cipher::NewBlockCipher;
-use aes::{Aes128, BlockEncrypt};
+use aes::cipher::BlockEncrypt;
+use aes::Aes128;
+use aes_gcm::KeyInit;
 
 use byteorder::{BigEndian, WriteBytesExt};
 use std::io::BufWriter;