diff --git a/Cargo.lock b/Cargo.lock
index 36663bad9..a8e167640 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -136,9 +136,9 @@ checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
 [[package]]
 name = "bigdecimal"
-version = "0.4.2"
+version = "0.4.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c06619be423ea5bb86c95f087d5707942791a08a85530df0db2209a3ecfb8bc9"
+checksum = "51d712318a27c7150326677b321a5fa91b55f6d9034ffd67f20319e147d40cee"
 dependencies = [
  "autocfg",
  "libm",