diff --git a/Cargo.lock b/Cargo.lock
index db2c979a..c23fd02e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -146,9 +146,9 @@ dependencies = [
 
 [[package]]
 name = "crypto-bigint"
-version = "0.7.0-rc.8"
+version = "0.7.0-rc.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4113edbc9f68c0a64d5b911f803eb245d04bb812680fd56776411f69c670f3e0"
+checksum = "7f4b0fda9462026d53a3ef37c5ec283639ee8494a1a5401109c0e2a3fb4d490c"
 dependencies = [
  "num-traits",
  "rand_core",
diff --git a/Cargo.toml b/Cargo.toml
index 72904d09..78b5bd14 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -14,7 +14,7 @@ rust-version = "1.85"
 
 [dependencies]
 const-oid = { version = "0.10", default-features = false }
-crypto-bigint = { version = "0.7.0-rc.8", default-features = false, features = ["zeroize", "alloc"] }
+crypto-bigint = { version = "0.7.0-rc.9", default-features = false, features = ["zeroize", "alloc"] }
 crypto-primes = { version = "0.7.0-pre.2", default-features = false }
 digest = { version = "0.11.0-rc.1", default-features = false, features = ["alloc", "oid"] }
 rand_core = { version = "0.9", default-features = false }