diff --git a/Cargo.lock b/Cargo.lock
index 9363eb707d3c..4b26feacbeb4 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -166,6 +166,12 @@ version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "23b62fc65de8e4e7f52534fb52b0f3ed04746ae267519eef2a83941e8085068b"
 
+[[package]]
+name = "arrayvec"
+version = "0.7.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8da52d66c7071e2e3fa2a1e5c6d088fec47b593032b254f5e980de8ea54454d6"
+
 [[package]]
 name = "assert_approx_eq"
 version = "1.1.0"
@@ -394,7 +400,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "afa748e348ad3be8263be728124b24a24f268266f6f5d58af9d75f6a40b5c587"
 dependencies = [
  "arrayref",
- "arrayvec",
+ "arrayvec 0.5.2",
  "constant_time_eq",
 ]
 
@@ -4906,7 +4912,7 @@ version = "0.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ad9940b913ee56ddd94aec2d3cd179dd47068236f42a1a6415ccf9d880ce2a61"
 dependencies = [
- "arrayvec",
+ "arrayvec 0.5.2",
  "typed-arena",
 ]
 
@@ -5655,10 +5661,11 @@ dependencies = [
 
 [[package]]
 name = "rust_decimal"
-version = "1.8.1"
+version = "1.26.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c9e81662973c7a8d9663e64a0de4cd642b89a21d64966e3d99606efdc5fb0cc6"
+checksum = "8fc129ab6000ab4037e7718703cdeab82a12c4ee23a238658f55372d80ef2b05"
 dependencies = [
+ "arrayvec 0.7.2",
  "num-traits",
  "serde",
 ]
diff --git a/testsuite/cli/Cargo.toml b/testsuite/cli/Cargo.toml
index c2bfa3d81866..aed79d06741e 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 = "1.26.0"
 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..df1faefc5fd4 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 = "1.26.0"
 rusty-fork = "0.3.0"
 statistical = "1.0.0"
 tokio = { version = "0.2.22", features = ["full"] }