diff --git a/Cargo.lock b/Cargo.lock
index a3452ce62..48027b191 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -158,9 +158,9 @@ dependencies = [
 
 [[package]]
 name = "crypto-bigint"
-version = "0.7.0-pre.2"
+version = "0.7.0-pre.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "87a5061ea0870b06f7fdd5a0f7268e30c04de1932c148cca0ce5c79a88d18bed"
+checksum = "f727d84cf16cb51297e4388421e2e51b2f94ffe92ee1d8664d81676901196fa3"
 dependencies = [
  "hybrid-array",
  "num-traits",
@@ -589,16 +589,6 @@ dependencies = [
  "hex-literal",
  "rand_core",
  "sha2",
- "signature_derive",
-]
-
-[[package]]
-name = "signature_derive"
-version = "2.2.0"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn 2.0.98",
 ]
 
 [[package]]
diff --git a/elliptic-curve/Cargo.toml b/elliptic-curve/Cargo.toml
index e936b45bf..32c103e37 100644
--- a/elliptic-curve/Cargo.toml
+++ b/elliptic-curve/Cargo.toml
@@ -18,7 +18,7 @@ and public/secret keys composed thereof.
 
 [dependencies]
 base16ct = "0.2"
-crypto-bigint = { version = "=0.7.0-pre.2", default-features = false, features = ["rand_core", "hybrid-array", "zeroize"] }
+crypto-bigint = { version = "=0.7.0-pre.3", default-features = false, features = ["rand_core", "hybrid-array", "zeroize"] }
 hybrid-array = { version = "0.3", default-features = false, features = ["zeroize"] }
 rand_core = { version = "0.9.0", default-features = false }
 subtle = { version = "2.6", default-features = false }
diff --git a/elliptic-curve/src/dev.rs b/elliptic-curve/src/dev.rs
index 020795544..6e92c27ef 100644
--- a/elliptic-curve/src/dev.rs
+++ b/elliptic-curve/src/dev.rs
@@ -333,7 +333,7 @@ impl Reduce<U256> for Scalar {
     type Bytes = FieldBytes;
 
     fn reduce(w: U256) -> Self {
-        let (r, underflow) = w.sbb(&MockCurve::ORDER, Limb::ZERO);
+        let (r, underflow) = w.borrowing_sub(&MockCurve::ORDER, Limb::ZERO);
         let underflow = Choice::from((underflow.0 >> (Limb::BITS - 1)) as u8);
         let reduced = U256::conditional_select(&w, &r, !underflow);
         Self(ScalarPrimitive::new(reduced).unwrap())