diff --git a/Cargo.lock b/Cargo.lock
index 435405d..7e33017 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -273,12 +273,12 @@ dependencies = [
 
 [[package]]
 name = "crypto-bigint"
-version = "0.6.0-rc.6"
+version = "0.7.0-pre.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d748d1f5b807ee6d0df5a548d0130417295c3aaed1dcbbb3d6a2e7106e11fcca"
+checksum = "85ff38607b7ebe30e4715eeb0a0427ff42e3b6b47b2df55a775e767ef2658ccd"
 dependencies = [
  "num-traits",
- "rand_core",
+ "rand_core 0.9.3",
  "subtle",
 ]
 
@@ -536,7 +536,7 @@ checksum = "58c38e2799fc0978b65dfff8023ec7843e2330bb462f19198840b34b6582397d"
 dependencies = [
  "byteorder",
  "keccak",
- "rand_core",
+ "rand_core 0.6.4",
  "zeroize",
 ]
 
@@ -646,7 +646,7 @@ checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
 dependencies = [
  "libc",
  "rand_chacha",
- "rand_core",
+ "rand_core 0.6.4",
 ]
 
 [[package]]
@@ -656,7 +656,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
 dependencies = [
  "ppv-lite86",
- "rand_core",
+ "rand_core 0.6.4",
 ]
 
 [[package]]
@@ -668,6 +668,12 @@ dependencies = [
  "getrandom",
 ]
 
+[[package]]
+name = "rand_core"
+version = "0.9.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "99d9a13982dcf210057a8a78572b2217b667c3beacbf3a0d8b454f6f82837d38"
+
 [[package]]
 name = "regex"
 version = "1.11.1"
diff --git a/Cargo.toml b/Cargo.toml
index fda332c..8c3ef82 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -12,7 +12,7 @@ exclude    =["CHANGELOG.md", "assets/"]
 rand         ="0.8"
 itertools    ="0.14"
 hex          ="0.4"
-crypto-bigint="0.6.0-rc.6"
+crypto-bigint="0.7.0-pre.7"
 regex        ="1.11.1"
 num-traits   ="0.2.19"