diff --git a/Cargo.lock b/Cargo.lock
index 50603db6d..f2956a730 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -292,9 +292,9 @@ dependencies = [
 
 [[package]]
 name = "crypto-bigint"
-version = "0.6.0-rc.2"
+version = "0.6.0-rc.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e43027691f1c055da3da4f7d96af09fcec420d435d5616e51f29afd0811c56a7"
+checksum = "215e6111ec3e5e1fec43705a06f3a1ac89e93207bbc437a89ced1a0a18c01f7a"
 dependencies = [
  "hybrid-array",
  "num-traits",
@@ -500,7 +500,7 @@ version = "0.14.0-rc.0"
 dependencies = [
  "base16ct",
  "base64ct",
- "crypto-bigint 0.6.0-rc.2",
+ "crypto-bigint 0.6.0-rc.4",
  "digest 0.11.0-pre.9",
  "ff 0.13.0",
  "group 0.13.0",
diff --git a/elliptic-curve/Cargo.toml b/elliptic-curve/Cargo.toml
index bc86e607f..8ed3770e2 100644
--- a/elliptic-curve/Cargo.toml
+++ b/elliptic-curve/Cargo.toml
@@ -18,7 +18,7 @@ rust-version = "1.73"
 
 [dependencies]
 base16ct = "0.2"
-crypto-bigint = { version = "0.6.0-rc.2", default-features = false, features = ["rand_core", "hybrid-array", "zeroize"] }
+crypto-bigint = { version = "0.6.0-rc.4", default-features = false, features = ["rand_core", "hybrid-array", "zeroize"] }
 hybrid-array = { version = "0.2.0-rc.8", default-features = false, features = ["zeroize"] }
 rand_core = { version = "0.6.4", default-features = false }
 subtle = { version = "2.6", default-features = false }