diff --git a/crates/ruma-signatures/Cargo.toml b/crates/ruma-signatures/Cargo.toml
index 234303d3..46a91020 100644
--- a/crates/ruma-signatures/Cargo.toml
+++ b/crates/ruma-signatures/Cargo.toml
@@ -21,7 +21,7 @@ unstable-exhaustive-types = []
 [dependencies]
 base64 = "0.13.0"
 ed25519-dalek = "1.0.1"
-pkcs8 = { git = "https://github.com/RustCrypto/utils", rev = "51e7c9d734e4d3c5279ba1c181c65b1bd77bcad0", features = ["alloc", "std"] }
+pkcs8 = { version = "0.6.1", features = ["alloc"] }
 # because dalek uses an older version of rand_core
 rand = { version = "0.7", features = ["getrandom"] }
 ruma-identifiers = { version = "0.19.2", path = "../ruma-identifiers" }
diff --git a/crates/ruma-signatures/src/keys.rs b/crates/ruma-signatures/src/keys.rs
index a7183709..cfba7034 100644
--- a/crates/ruma-signatures/src/keys.rs
+++ b/crates/ruma-signatures/src/keys.rs
@@ -139,6 +139,7 @@ impl Ed25519KeyPair {
         let oak = OneAsymmetricKey {
             algorithm: AlgorithmIdentifier { oid: ED25519_OID, parameters: None },
             private_key: private.as_ref(),
+            attributes: None,
             public_key: Some(public.as_bytes()),
         };