diff --git a/Cargo.lock b/Cargo.lock
index 6c0cebc..4af1b13 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -299,9 +299,9 @@ dependencies = [
 
 [[package]]
 name = "ethnum"
-version = "1.1.1"
+version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "63b40347dcad92b4dfeb9765c41c48503416daddf6dba55b74614dc035a43ed2"
+checksum = "b90ca2580b73ab6a1f724b76ca11ab632df820fd6040c336200d2c1df7b3c82c"
 
 [[package]]
 name = "fastrand"