diff --git a/Cargo.lock b/Cargo.lock
index e5eeda1d..fddb0f7d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -360,7 +360,7 @@ dependencies = [
 
 [[package]]
 name = "ecdsa"
-version = "0.17.0-rc.5"
+version = "0.17.0-rc.6"
 dependencies = [
  "der",
  "digest",
@@ -376,7 +376,7 @@ dependencies = [
 
 [[package]]
 name = "ed25519"
-version = "3.0.0-pre.0"
+version = "3.0.0-rc.0"
 dependencies = [
  "bincode",
  "hex-literal 1.0.0",
diff --git a/ed25519/Cargo.toml b/ed25519/Cargo.toml
index e8e964d0..a56f958d 100644
--- a/ed25519/Cargo.toml
+++ b/ed25519/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "ed25519"
-version = "3.0.0-pre.0"
+version = "3.0.0-rc.0"
 authors = ["RustCrypto Developers"]
 license = "Apache-2.0 OR MIT"
 description = """
@@ -18,7 +18,7 @@ edition = "2024"
 rust-version = "1.85"
 
 [dependencies]
-signature = { version = "3.0.0-rc.2", default-features = false }
+signature = { version = "3.0.0-rc.3", default-features = false }
 
 # optional dependencies
 pkcs8 = { version = "0.11.0-rc.6", optional = true }