diff --git a/Cargo.toml b/Cargo.toml
index 75a0aeb..cf4a700 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "ethabi-decode"
-version = "1.3.3"
+version = "1.4.0"
 authors = ["Vincent Geddes <vincent.geddes@hey.com>"]
 edition = "2021"
 license = "Apache-2.0"
@@ -8,14 +8,14 @@ keywords = ["ethereum", "eth", "abi", "solidity"]
 description = "Decoding of ABI-encoded data and event logs"
 
 [dependencies]
-tiny-keccak = { version = "1.4" }
+tiny-keccak = { version = "2.0.2", features = ["keccak"] }
 ethereum-types = { version = "0.14.1", default-features = false }
 
 [dev-dependencies]
 hex = { version = "2.0", package = "rustc-hex" }
-hex-literal = "0.2.1"
-uint = { version = "0.8.2", default-features = false }
-paste = "0.1.6"
+hex-literal = "0.4.0"
+uint = { version = "0.9.5", default-features = false }
+paste = "1.0.12"
 
 [features]
 default = ["std"]
diff --git a/src/encoder.rs b/src/encoder.rs
index 0e8d95f..ecb9e69 100644
--- a/src/encoder.rs
+++ b/src/encoder.rs
@@ -9,7 +9,7 @@
 //! ABI encoder.
 
 use crate::{util::pad_u32, Token, Word};
-use tiny_keccak::Keccak;
+use tiny_keccak::{Hasher, Keccak};
 use crate::std::{vec, Vec};
 
 fn pad_bytes(bytes: &[u8]) -> Vec<Word> {
@@ -131,7 +131,7 @@ pub fn encode(tokens: &[Token]) -> Vec<u8> {
 
 pub fn encode_function(signature: &str, inputs: &[Token]) -> Vec<u8> {
 	let mut signed: [u8; 4] = [0; 4];
-	let mut sponge = Keccak::new_keccak256();
+	let mut sponge = Keccak::v256();
 	sponge.update(signature.as_ref());
 	sponge.finalize(&mut signed);
 	let encoded = encode(inputs);
diff --git a/src/event.rs b/src/event.rs
index db1470c..4f3cc58 100644
--- a/src/event.rs
+++ b/src/event.rs
@@ -4,13 +4,13 @@
 // SPDX-License-Identifier: Apache-2.0
 //
 // Licensed under the Apache License, Version 2.0 <LICENSE or
-// http://www.apache.org/licenses/LICENSE-2.0>. This file may not be 
+// http://www.apache.org/licenses/LICENSE-2.0>. This file may not be
 // copied, modified, or distributed except according to those terms.
 
 //! Contract event.
 use crate::std::BTreeMap;
 use crate::std::Vec;
-use tiny_keccak::Keccak;
+use tiny_keccak::{Hasher, Keccak};
 
 use crate::{decode, Error, Param, ParamKind, Token, H256};
 
@@ -29,7 +29,7 @@ pub struct Event<'a> {
 impl<'a> Event<'a> {
 	fn signature_keccak256(&self) -> H256 {
 		let mut result = [0u8; 32];
-		let mut sponge = Keccak::new_keccak256();
+		let mut sponge = Keccak::v256();
 		sponge.update(self.signature.as_ref());
 		sponge.finalize(&mut result);
 		result.into()
@@ -115,11 +115,11 @@ mod tests {
 
 	use crate::{token::Token, Event, Param, ParamKind, H256};
 	use hex::FromHex;
-	use tiny_keccak::Keccak;
+	use tiny_keccak::{Hasher, Keccak};
 
 	fn keccak256(data: &str) -> H256 {
 		let mut result = [0u8; 32];
-		let mut sponge = Keccak::new_keccak256();
+		let mut sponge = Keccak::v256();
 		sponge.update(data.as_ref());
 		sponge.finalize(&mut result);
 		result.into()