diff --git a/Cargo.lock b/Cargo.lock
index b6d1312cd..5d52f9b1d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1813,9 +1813,9 @@ checksum = "7bd3e3206899af3f8b12af284fafc038cc1dc2b41d1b89dd17297221c5d225de"
 
 [[package]]
 name = "smallvec"
-version = "1.8.0"
+version = "1.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f2dd574626839106c320a323308629dcb1acfc96e32a8cba364ddc61ac23ee83"
+checksum = "2fd0db749597d91ff862fd1d55ea87f7855a744a8425a64695b6fca237d1dad1"
 
 [[package]]
 name = "smawk"
diff --git a/src/uu/factor/Cargo.toml b/src/uu/factor/Cargo.toml
index 348cf307d..ed0b1ef53 100644
--- a/src/uu/factor/Cargo.toml
+++ b/src/uu/factor/Cargo.toml
@@ -19,7 +19,7 @@ clap = { version = "3.1", features = ["wrap_help", "cargo"] }
 coz = { version = "0.1.3", optional = true }
 num-traits = "0.2.15" # Needs at least version 0.2.15 for "OverflowingAdd"
 rand = { version = "0.8", features = ["small_rng"] }
-smallvec = "1.7"  # TODO(nicoo): Use `union` feature, requires Rust 1.49 or later.
+smallvec = "1.9"  # TODO(nicoo): Use `union` feature, requires Rust 1.49 or later.
 uucore = { version = ">=0.0.8", package = "uucore", path = "../../uucore" }
 
 [dev-dependencies]