diff --git a/Cargo.lock b/Cargo.lock
index e472002..fcda50e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -63,7 +63,18 @@ version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d1e50562e37200edf7c6c43e54a08e64a5553bfb59d9c297d5572512aa517256"
 dependencies = [
- "num-bigint",
+ "num-bigint 0.3.3",
+ "num-integer",
+ "num-traits",
+]
+
+[[package]]
+name = "bigdecimal"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6aaf33151a6429fe9211d1b276eafdf70cdff28b071e76c0b0e1503221ea3744"
+dependencies = [
+ "num-bigint 0.4.3",
  "num-integer",
  "num-traits",
 ]
@@ -995,6 +1006,17 @@ dependencies = [
  "num-traits",
 ]
 
+[[package]]
+name = "num-bigint"
+version = "0.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f93ab6289c7b344a8a9f60f88d80aa20032336fe78da341afc91c8a2341fc75f"
+dependencies = [
+ "autocfg",
+ "num-integer",
+ "num-traits",
+]
+
 [[package]]
 name = "num-integer"
 version = "0.1.44"
@@ -1498,7 +1520,7 @@ name = "settlement-analysis"
 version = "0.1.0"
 dependencies = [
  "anyhow",
- "bigdecimal",
+ "bigdecimal 0.3.0",
  "clap",
  "futures",
  "num-traits",
@@ -1609,7 +1631,7 @@ dependencies = [
  "ahash",
  "atoi",
  "base64",
- "bigdecimal",
+ "bigdecimal 0.2.2",
  "bitflags",
  "byteorder",
  "bytes",
@@ -1630,7 +1652,7 @@ dependencies = [
  "log",
  "md-5",
  "memchr",
- "num-bigint",
+ "num-bigint 0.3.3",
  "once_cell",
  "paste",
  "percent-encoding",
diff --git a/Cargo.toml b/Cargo.toml
index 24c486b..360237c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -6,7 +6,7 @@ license = "MIT OR Apache-2.0"
 
 [dependencies]
 anyhow = "1.0"
-bigdecimal = "0.2"
+bigdecimal = "0.3"
 clap = { version = "3.1", features = ["derive", "env"] }
 futures = { version = "0.3", default-features = false }
 num-traits = "0.2"