diff --git a/Cargo.lock b/Cargo.lock
index dffde283d..61121dd60 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2082 +2082 @@ name = "ethnum"
-version = "1.5.2"
+version = "1.5.3"
@@ -2084 +2084 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ca81e6b4777c89fd810c25a4be2b1bd93ea034fbe58e6a75216a34c6b82c539b"
+checksum = "40404c3f5f511ec4da6fe866ddf6a717c309fdbb69fbbad7b0f3edab8f2e835f"