diff --git a/cardano/Cargo.toml b/cardano/Cargo.toml
index 0b0cd05e..1b8db0b4 100644
--- a/cardano/Cargo.toml
+++ b/cardano/Cargo.toml
@@ -14,7 +14,7 @@ keywords = [ "Cardano", "Wallet", "Crypto" ]
 [build-dependencies]
 
 [dependencies]
-cryptoxide = "0.1"
+cryptoxide = "0.4"
 cbor_event = "^2.1.1"
 chain-core = { path = "../chain-core" }
 
diff --git a/storage-units/Cargo.toml b/storage-units/Cargo.toml
index 63eb1238..e402814f 100644
--- a/storage-units/Cargo.toml
+++ b/storage-units/Cargo.toml
@@ -13,4 +13,4 @@ blob storage using immutable/append-only files
 
 [dependencies]
 rand = "0.6"
-cryptoxide = "0.1"
+cryptoxide = "0.4"