diff --git a/Cargo.toml b/Cargo.toml
index abf469eb..845254ed 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -41,7 +41,7 @@ num-bigint = { version = "0.4", optional = true }
 num-complex = { version = ">= 0.2, < 0.5", optional = true }
 rust_decimal = { version = "1.0.0", default-features = false, optional = true }
 serde = { version = "1.0", optional = true }
-smallvec = { version = "1.11.1", optional = true }
+smallvec = { version = "1.0", optional = true }
 
 [dev-dependencies]
 assert_approx_eq = "1.1.0"