diff --git a/Cargo.lock b/Cargo.lock
index bf843ff..877eb1a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -275,9 +275,9 @@ dependencies = [
 
 [[package]]
 name = "ed25519"
-version = "2.0.0-rc.0"
+version = "2.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "24a753d68e68a75b72508fa3d37255ae8a6f7492715e61f3a14f3769859b2fb3"
+checksum = "a3af5919f6d605315213c36abdd435562224665993b274912dee0d9a0e2fed8a"
 dependencies = [
  "pkcs8",
  "serde",
@@ -746,9 +746,9 @@ dependencies = [
 
 [[package]]
 name = "signature"
-version = "2.0.0-rc.0"
+version = "2.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "51659052c3c82a3cb69d911c1c1d8cb5d383012b7ec537918d5ecc5f42870d2d"
+checksum = "8fe458c98333f9c8152221191a77e2a44e8325d0193484af2e9421a53019e57d"
 
 [[package]]
 name = "spki"
diff --git a/Cargo.toml b/Cargo.toml
index 99d51bd..5bfa0ed 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -25,7 +25,7 @@ features = ["nightly", "batch", "pkcs8"]
 
 [dependencies]
 curve25519-dalek = { version = "=4.0.0-pre.5", default-features = false, features = ["digest"] }
-ed25519 = { version = "=2.0.0-rc.0", default-features = false }
+ed25519 = { version = "2", default-features = false }
 merlin = { version = "3", default-features = false, optional = true }
 rand_core = { version = "0.6.4", default-features = false, optional = true }
 serde = { version = "1.0", default-features = false, optional = true }