diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7f2df54..8a96ce4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.20.0] - 2021-04-06
+
 ### Changed
 
 - Update `dusk-plonk` from `0.6` to `0.7` #119
diff --git a/Cargo.toml b/Cargo.toml
index 067d3ac..c47d1de 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "dusk-poseidon"
-version = "0.20.0-pre.1"
+version = "0.20.0"
 authors = [
   "zer0 <matteo@dusk.network>", "vlopes11 <victor@dusk.network>", "CPerezz <carlos@dusk.network>", "Kristoffer Ström <kristoffer@dusk.network>"
 ]
@@ -15,13 +15,13 @@ repository = "https://github.com/dusk-network/poseidon252"
 dusk-bls12_381 = {version = "0.6", default-features = false}
 dusk-jubjub = {version = "0.8", default-features = false}
 dusk-bytes = "0.1"
-dusk-hades = { version = "0.15.0-pre", default-features = false }
+dusk-hades = { version = "0.15", default-features = false }
 canonical = {version = "0.5", optional = true}
 canonical_derive = {version = "0.5", optional = true}
 microkelvin = {version = "0.6", optional = true}
 nstack = {version = "0.7", optional = true}
 
-dusk-plonk = {version="0.7.0-pre", default-features = false, optional = true}
+dusk-plonk = {version="0.7", default-features = false, optional = true}
 anyhow = { version = "1.0", optional = true }
 thiserror = { version = "1.0", optional = true }
 
diff --git a/src/tree/zk.rs b/src/tree/zk.rs
index ddfaad6..50aa164 100644
--- a/src/tree/zk.rs
+++ b/src/tree/zk.rs
@@ -89,7 +89,7 @@ mod tests {
     use crate::tree::{self, PoseidonAnnotation, PoseidonBranch, PoseidonTree};
     use canonical_host::MemStore;
     use dusk_plonk::circuit;
-    use dusk_plonk::prelude::Error as PlonkError;
+    use dusk_plonk::error::Error as PlonkError;
     use dusk_plonk::prelude::*;
     use rand::rngs::StdRng;
     use rand::SeedableRng;