diff --git a/CHANGELOG.md b/CHANGELOG.md
index db3a3f0..b876cf6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,7 +7,7 @@ and this project adheres to Rust's notion of
 
 ## [Unreleased]
 ### Changed
-- MSRV is now 1.60.0.
+- MSRV is now 1.63.0.
 
 ## [0.5.1] - 2023-03-02
 ### Fixed
diff --git a/Cargo.toml b/Cargo.toml
index 7add469..1b869fb 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -9,7 +9,7 @@ authors = [
     "Jack Grigg <jack@electriccoin.co>",
 ]
 edition = "2021"
-rust-version = "1.60"
+rust-version = "1.63"
 license = "MIT OR Apache-2.0"
 repository = "https://github.com/zcash/pasta_curves"
 documentation = "https://docs.rs/pasta_curves"
diff --git a/README.md b/README.md
index 3102e04..e8c29e5 100644
--- a/README.md
+++ b/README.md
@@ -14,7 +14,7 @@ If you want to propose "substantial" changes to this crate, please
 
 ## Minimum Supported Rust Version
 
-Requires Rust **1.60** or higher.
+Requires Rust **1.63** or higher.
 
 Minimum supported Rust version can be changed in the future, but it will be done with a
 minor version bump.
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index e06e5ca..3eebdfe 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,3 +1,3 @@
 [toolchain]
-channel = "1.60.0"
+channel = "1.63.0"
 components = [ "clippy", "rustfmt" ]
diff --git a/src/arithmetic/curves.rs b/src/arithmetic/curves.rs
index 636f080..baf241b 100644
--- a/src/arithmetic/curves.rs
+++ b/src/arithmetic/curves.rs
@@ -64,6 +64,7 @@ pub trait CurveExt:
     ///     (g * x + &(h * r)).to_affine()
     /// }
     /// ```
+    #[allow(clippy::type_complexity)]
     fn hash_to_curve<'a>(domain_prefix: &'a str) -> Box<dyn Fn(&[u8]) -> Self + 'a>;
 
     /// Returns whether or not this element is on the curve; should