diff --git a/core/crypto/Cargo.toml b/core/crypto/Cargo.toml
index 91df0f9..e5a0755 100644
--- a/core/crypto/Cargo.toml
+++ b/core/crypto/Cargo.toml
@@ -12,5 +12,5 @@ rand_core = { version = "0.6", features = ["getrandom"] }
 sha2 = "0.10"
 thiserror = "2"
 x25519-dalek = { version = "2.0.1", features = ["static_secrets"] }
-xeddsa = "1.0.2"
+xeddsa = "=1.0.2"
 zeroize = { version = "1.8.2", features = ["derive"] }