diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3c611da..3a08761 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,8 +6,22 @@ and this project adheres to Rust's notion of
 [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+
+## [0.5.0] - 2022-12-06
+### Added
+- `serde` feature flag, which enables Serde compatibility to the crate types.
+  Field elements and points are serialized to their canonical byte encoding
+  (encoded as hexadecimal if the data format is human readable).
+
 ### Changed
-- Migrated to `ff 0.13`, `group 0.13`.
+- Migrated to `ff 0.13`, `group 0.13`, `ec-gpu 0.2`.
+- `pasta_curves::arithmetic`:
+  - `FieldExt` bounds on associated types of `CurveExt` and `CurveAffine` have
+    been replaced by bounds on `ff::WithSmallOrderMulGroup<3>` (and `Ord` in the
+    case of `CurveExt`).
+- `pasta_curves::hashtocurve`:
+  - `FieldExt` bounds on the module functions have been replaced by equivalent
+    `ff` trait bounds.
 
 ### Removed
 - `pasta_curves::arithmetic`:
diff --git a/Cargo.toml b/Cargo.toml
index 33f3614..85db660 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "pasta_curves"
 description = "Implementation of the Pallas and Vesta (Pasta) curve cycle"
-version = "0.4.1"
+version = "0.5.0"
 authors = [
     "Sean Bowe <sean@electriccoin.co>",
     "Ying Tong Lai <yingtong@electriccoin.co>",
@@ -44,8 +44,8 @@ harness = false
 required-features = ["alloc"]
 
 [dependencies]
-ff = { version = "0.12", default-features = false }
-group = { version = "0.12", default-features = false }
+ff = { version = "0.13", default-features = false }
+group = { version = "0.13", default-features = false }
 rand = { version = "0.8", default-features = false }
 static_assertions = "1.1.0"
 subtle = { version = "2.3", default-features = false }
@@ -72,6 +72,3 @@ sqrt-table = ["alloc", "lazy_static"]
 repr-c = []
 uninline-portable = []
 serde = ["hex", "serde_crate"]
-
-[patch.crates-io]
-ff = { git = "https://github.com/zkcrypto/ff.git", rev = "054a4d2daf9a9540d4c436fa51f0222e997ad15c" }