diff --git a/pallas-alonzo/Cargo.toml b/pallas-alonzo/Cargo.toml
index 3ca36fb3..dd166350 100644
--- a/pallas-alonzo/Cargo.toml
+++ b/pallas-alonzo/Cargo.toml
@@ -20,5 +20,5 @@ minicbor = { version = "0.12", features = ["std"] }
 minicbor-derive = "0.7.2"
 hex = "0.4.3"
 log = "0.4.14"
-cryptoxide = { version = "0.3.2", optional = true }
+cryptoxide = { version = "0.4.4", optional = true }
 
diff --git a/pallas-chainsync/Cargo.toml b/pallas-chainsync/Cargo.toml
index ad195992..6059e708 100644
--- a/pallas-chainsync/Cargo.toml
+++ b/pallas-chainsync/Cargo.toml
@@ -21,7 +21,7 @@ hex = "0.4.3"
 
 [dev-dependencies]
 net2 = "0.2.37"
-cryptoxide = "0.3.6"
+cryptoxide = "0.4.4"
 env_logger = "0.9.0"
 pallas-handshake = { version = "0.3.0", path = "../pallas-handshake/" }
 pallas-txsubmission = { version = "0.3.0", path = "../pallas-txsubmission/" }