diff --git a/Cargo.lock b/Cargo.lock
index 035e3f03c..37f1fe2e6 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -120,10 +120,11 @@ checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
 [[package]]
 name = "bigdecimal"
-version = "0.4.0"
+version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5274a6b6e0ee020148397245b973e30163b7bffbc6d473613f850cb99888581e"
+checksum = "c06619be423ea5bb86c95f087d5707942791a08a85530df0db2209a3ecfb8bc9"
 dependencies = [
+ "autocfg",
  "libm",
  "num-bigint",
  "num-integer",