diff --git a/Cargo.lock b/Cargo.lock
index 29ba717..8f0138d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -363,12 +363,12 @@ dependencies = [
 
 [[package]]
 name = "curve25519-dalek"
-version = "5.0.0-pre.6"
+version = "5.0.0-rc.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "335f1947f241137a14106b6f5acc5918a5ede29c9d71d3f2cb1678d5075d9fc3"
+checksum = "4f359e08ca85e7bd759e1fd933ff2bccd81864c60a8fba0e259c7f822b0924bf"
 dependencies = [
  "cfg-if",
- "cpufeatures 0.2.17",
+ "cpufeatures 0.3.0",
  "curve25519-dalek-derive",
  "fiat-crypto",
  "rustc_version",
@@ -1856,9 +1856,9 @@ dependencies = [
 
 [[package]]
 name = "x25519-dalek"
-version = "3.0.0-pre.6"
+version = "3.0.0-rc.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b3d5d6ff67acd3945b933e592bfa7143db4fcbb2f871754b6b9fbd7847fc5aea"
+checksum = "f17b575e04fcdb37e5509a85a14ff08116678a1c9724befb8b571db742dbdbb0"
 dependencies = [
  "curve25519-dalek",
  "rand_core",
diff --git a/x-wing/Cargo.toml b/x-wing/Cargo.toml
index d15dba5..a5cdfcd 100644
--- a/x-wing/Cargo.toml
+++ b/x-wing/Cargo.toml
@@ -23,7 +23,7 @@ kem = "0.3"
 ml-kem = { version = "0.3.0-rc.0", default-features = false, features = ["hazmat"] }
 rand_core = { version = "0.10", default-features = false }
 sha3 = { version = "0.11", default-features = false }
-x25519-dalek = { version = "3.0.0-pre.6", default-features = false, features = ["static_secrets"] }
+x25519-dalek = { version = "3.0.0-rc.0", default-features = false, features = ["static_secrets"] }
 
 # optional dependencies
 zeroize = { version = "1.8.1", optional = true, default-features = true }