diff --git a/Cargo.lock b/Cargo.lock
index 7429f28..74b595f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1665,9 +1665,9 @@ dependencies = [
 
 [[package]]
 name = "rgb"
-version = "0.8.37"
+version = "0.8.40"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "05aaa8004b64fd573fc9d002f4e632d51ad4f026c2b5ba95fcb6c2f32c2c47d8"
+checksum = "a7439be6844e40133eda024efd85bf07f59d0dd2f59b10c00dd6cfb92cc5c741"
 dependencies = [
  "bytemuck",
 ]