diff --git a/Cargo.lock b/Cargo.lock
index 3803a03e..3f689d29 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3495,9 +3495,9 @@ dependencies = [
 
 [[package]]
 name = "reddsa"
-version = "0.5.0"
+version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "54b34d2c0df43159d2ff79d3cf929c9f11415529127344edb8160ad2be499fcd"
+checksum = "78a5191930e84973293aa5f532b513404460cd2216c1cfb76d08748c15b40b02"
 dependencies = [
  "blake2b_simd",
  "byteorder",
diff --git a/zebra-chain/Cargo.toml b/zebra-chain/Cargo.toml
index 0003f8cc..bd597eae 100644
--- a/zebra-chain/Cargo.toml
+++ b/zebra-chain/Cargo.toml
@@ -108,7 +108,7 @@ rayon = "1.7.0"
 # ZF deps
 ed25519-zebra = "4.0.1"
 redjubjub = "0.7.0"
-reddsa = "0.5.0"
+reddsa = "0.5.1"
 
 # Production feature json-conversion
 serde_json = { version = "1.0.100", optional = true }