diff --git a/CHANGELOG.md b/CHANGELOG.md
index a46b2ff..a84de2c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 Entries are listed in reverse chronological order.
 
+## 2.1.0
+
+* Make `Scalar::from_bits` a `const fn`, allowing its use in `const` contexts.
+
 ## 2.0.0
 
 * Fix a data modeling error in the `serde` feature pointed out by Trevor Perrin
diff --git a/Cargo.toml b/Cargo.toml
index 87d35e8..d73a932 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,10 @@
 [package]
 name = "curve25519-dalek"
-version = "2.0.0"
+# Before incrementing:
+# - update CHANGELOG
+# - update html_root_url
+# - update README if required by semver
+version = "2.1.0"
 authors = ["Isis Lovecruft <isis@patternsinthevoid.net>",
            "Henry de Valence <hdevalence@hdevalence.ca>"]
 readme = "README.md"
@@ -28,7 +32,7 @@ travis-ci = { repository = "dalek-cryptography/curve25519-dalek", branch = "mast
 [dev-dependencies]
 sha2 = { version = "0.8", default-features = false }
 bincode = "1"
-criterion = "0.2"
+criterion = "0.3.0"
 rand = "0.7"
 
 [[bench]]
diff --git a/src/edwards.rs b/src/edwards.rs
index 998af8d..810bc20 100644
--- a/src/edwards.rs
+++ b/src/edwards.rs
@@ -150,7 +150,7 @@ use backend::vector::scalar_mul;
 ///
 /// The first 255 bits of a `CompressedEdwardsY` represent the
 /// \\(y\\)-coordinate.  The high bit of the 32nd byte gives the sign of \\(x\\).
-#[derive(Copy, Clone, Eq, PartialEq)]
+#[derive(Copy, Clone, Eq, PartialEq, Hash)]
 pub struct CompressedEdwardsY(pub [u8; 32]);
 
 impl ConstantTimeEq for CompressedEdwardsY {
diff --git a/src/lib.rs b/src/lib.rs
index de30492..e1409a2 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -22,6 +22,7 @@
 
 #![cfg_attr(feature = "nightly", doc(include = "../README.md"))]
 #![doc(html_logo_url = "https://doc.dalek.rs/assets/dalek-logo-clear.png")]
+#![doc(html_root_url = "https://docs.rs/curve25519-dalek/2.1.0")]
 
 //! Note that docs will only build on nightly Rust until
 //! [RFC 1990 stabilizes](https://github.com/rust-lang/rust/issues/44732).
diff --git a/src/montgomery.rs b/src/montgomery.rs
index 4768451..c3676c2 100644
--- a/src/montgomery.rs
+++ b/src/montgomery.rs
@@ -65,7 +65,7 @@ use zeroize::Zeroize;
 
 /// Holds the \\(u\\)-coordinate of a point on the Montgomery form of
 /// Curve25519 or its twist.
-#[derive(Copy, Clone, Debug)]
+#[derive(Copy, Clone, Debug, Hash)]
 #[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
 pub struct MontgomeryPoint(pub [u8; 32]);
 
diff --git a/src/ristretto.rs b/src/ristretto.rs
index c4b6170..977f52f 100644
--- a/src/ristretto.rs
+++ b/src/ristretto.rs
@@ -208,7 +208,7 @@ use backend::vector::scalar_mul;
 ///
 /// The Ristretto encoding is canonical, so two points are equal if and
 /// only if their encodings are equal.
-#[derive(Copy, Clone, Eq, PartialEq)]
+#[derive(Copy, Clone, Eq, PartialEq, Hash)]
 pub struct CompressedRistretto(pub [u8; 32]);
 
 impl ConstantTimeEq for CompressedRistretto {
diff --git a/src/scalar.rs b/src/scalar.rs
index 95493c2..87f5da9 100644
--- a/src/scalar.rs
+++ b/src/scalar.rs
@@ -182,7 +182,7 @@ type UnpackedScalar = backend::serial::u32::scalar::Scalar29;
 
 /// The `Scalar` struct holds an integer \\(s < 2\^{255} \\) which
 /// represents an element of \\(\mathbb Z / \ell\\).
-#[derive(Copy, Clone)]
+#[derive(Copy, Clone, Hash)]
 pub struct Scalar {
     /// `bytes` is a little-endian byte encoding of an integer representing a scalar modulo the
     /// group order.