diff --git a/benchmarks/Cargo.toml b/benchmarks/Cargo.toml
index 619843490..8ddc1aa52 100644
--- a/benchmarks/Cargo.toml
+++ b/benchmarks/Cargo.toml
@@ -45,7 +45,7 @@ rsa = { version = "0.9.7", features = ["sha2"] }
 untrusted = "0.9.0"
 
 # Benchmarking "Dalek X25519"
-x25519-dalek = "2.0.1"
+x25519-dalek = "3.0.0"
 
 # Benchmarking "Dalek Ristretto"
 curve25519-dalek = "5.0.0"
diff --git a/crates/protocols/hpke/rust_crypto_provider/Cargo.toml b/crates/protocols/hpke/rust_crypto_provider/Cargo.toml
index da564208b..1e9c68777 100644
--- a/crates/protocols/hpke/rust_crypto_provider/Cargo.toml
+++ b/crates/protocols/hpke/rust_crypto_provider/Cargo.toml
@@ -23,7 +23,7 @@ k256 = { version = "0.13", features = [
     "ecdh",
 ], default-features = false }
 p384 = { version = "0.13", default-features = false, features = ["arithmetic"] }
-x25519-dalek = { version = "2", features = ["static_secrets"] }
+x25519-dalek = { version = "3", features = ["static_secrets"] }
 chacha20poly1305 = { version = "0.10", default-features = false, features = [
     "alloc",
 ] }