diff --git a/pallas-hardano/Cargo.toml b/pallas-hardano/Cargo.toml
index 9f3621065..0c890149e 100644
--- a/pallas-hardano/Cargo.toml
+++ b/pallas-hardano/Cargo.toml
@@ -12,7 +12,7 @@ authors = ["Santiago Carmuega <santiago@carmuega.me>"]
 
 [dependencies]
 thiserror = "1.0.49"
-binary-layout = "3.2.0"
+binary-layout = "4.0.0"
 tap = "1.0.1"
 tracing = "0.1.40"
 pallas-traverse = { version = "=0.22.0", path = "../pallas-traverse" }