diff --git a/Cargo.lock b/Cargo.lock
index 9363eb707d3c..ad2b16a5fd7c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -5655,10 +5655,11 @@ dependencies = [
 
 [[package]]
 name = "rust_decimal"
-version = "1.8.1"
+version = "1.10.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c9e81662973c7a8d9663e64a0de4cd642b89a21d64966e3d99606efdc5fb0cc6"
+checksum = "dc7f5b8840fb1f83869a3e1dfd06d93db79ea05311ac5b42b8337d3371caa4f1"
 dependencies = [
+ "arrayvec",
  "num-traits",
  "serde",
 ]
diff --git a/testsuite/cli/Cargo.toml b/testsuite/cli/Cargo.toml
index c2bfa3d81866..8bd2a7ce4368 100644
--- a/testsuite/cli/Cargo.toml
+++ b/testsuite/cli/Cargo.toml
@@ -15,7 +15,7 @@ chrono = "0.4.19"
 hex = "0.4.2"
 proptest = { version = "0.10.1", optional = true }
 rustyline = "7.0.0"
-rust_decimal = "1.8.1"
+rust_decimal = "1.10.3"
 num-traits = "0.2.14"
 once_cell = "1.4.1"
 reqwest = { version = "0.10.9", features = ["blocking", "json"] }
diff --git a/testsuite/smoke-test/Cargo.toml b/testsuite/smoke-test/Cargo.toml
index 4c12ee2b0941..f96f3135b488 100644
--- a/testsuite/smoke-test/Cargo.toml
+++ b/testsuite/smoke-test/Cargo.toml
@@ -17,7 +17,7 @@ num = "0.3.0"
 num-traits = "0.2.14"
 rand = "0.7.3"
 regex = "1.4.2"
-rust_decimal = "1.8.1"
+rust_decimal = "1.10.3"
 rusty-fork = "0.3.0"
 statistical = "1.0.0"
 tokio = { version = "0.2.22", features = ["full"] }