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diff --git a/Cargo.toml b/Cargo.toml
index da6566a..2af6262 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -12,6 +12,7 @@ name = "jubjub"
 repository = "https://github.com/zkcrypto/jubjub"
 version = "0.10.0"
 edition = "2021"
+rust-version = "1.63"
 
 [dependencies.bitvec]
 version = "1"
diff --git a/README.md b/README.md
index e86acf4..cd7b861 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@
 This is a pure Rust implementation of the Jubjub elliptic curve group and its associated fields.
 
 * **This implementation has not been reviewed or audited. Use at your own risk.**
-* This implementation targets Rust `1.56` or later.
+* This implementation targets Rust `1.63` or later.
 * All operations are constant time unless explicitly noted.
 * This implementation does not require the Rust standard library.
 
diff --git a/RELEASES.md b/RELEASES.md
index f7cbf42..9da0cdf 100644
--- a/RELEASES.md
+++ b/RELEASES.md
@@ -1,3 +1,7 @@
+# Unreleased
+## Changed
+- Bumped MSRV to `1.63.0`
+
 # 0.10.0
 ## Changed
 - Bumped dependencies to `bls12_381 0.8`, `ff 0.13`, `group 0.13`.
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index de43b23..3eebdfe 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,3 +1,3 @@
 [toolchain]
-channel = "1.56.0"
+channel = "1.63.0"
 components = [ "clippy", "rustfmt" ]