diff --git a/Cargo.lock b/Cargo.lock
index fbe91354b..3442340ef 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -129,9 +129,9 @@ dependencies = [
 
 [[package]]
 name = "crypto-bigint"
-version = "0.7.0-rc.4"
+version = "0.7.0-rc.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7c069823f41bdc75e99546bfd59eb1ed27d69dc720e5c949fe502b82926f8448"
+checksum = "19f2e3541e47d5e2c984b2832e8633b1443671eebba61f0d05e4d2bafba16b23"
 dependencies = [
  "hybrid-array",
  "num-traits",
diff --git a/elliptic-curve/Cargo.toml b/elliptic-curve/Cargo.toml
index 8ca2decd8..9cef4b93a 100644
--- a/elliptic-curve/Cargo.toml
+++ b/elliptic-curve/Cargo.toml
@@ -18,7 +18,7 @@ and public/secret keys composed thereof.
 
 [dependencies]
 base16ct = "0.3"
-crypto-bigint = { version = "0.7.0-rc.4", default-features = false, features = ["rand_core", "hybrid-array", "zeroize"] }
+crypto-bigint = { version = "0.7.0-rc.5", default-features = false, features = ["rand_core", "hybrid-array", "zeroize"] }
 hybrid-array = { version = "0.4", 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/lib.rs b/elliptic-curve/src/lib.rs
index a5b2e1aa2..d4b723069 100644
--- a/elliptic-curve/src/lib.rs
+++ b/elliptic-curve/src/lib.rs
@@ -163,13 +163,11 @@ pub trait Curve: 'static + Copy + Clone + Debug + Default + Eq + Ord + Send + Sy
 
     /// Integer type used to represent field elements of this elliptic curve.
     type Uint: bigint::ArrayEncoding
-        + bigint::AddMod<Output = Self::Uint>
         + bigint::Encoding
         + bigint::FixedInteger
-        + bigint::NegMod<Output = Self::Uint>
         + bigint::Random
         + bigint::RandomMod
-        + bigint::SubMod<Output = Self::Uint>
+        + bigint::Unsigned
         + zeroize::Zeroize
         + FieldBytesEncoding<Self>
         + ShrAssign<usize>;