diff --git a/Cargo.lock b/Cargo.lock
index 211d383a2..627a355f2 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -170,9 +170,9 @@ dependencies = [
 
 [[package]]
 name = "crypto-bigint"
-version = "0.7.1"
+version = "0.7.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9fde2467e74147f492aebb834985186b2c74761927b8b9b3bd303bcb2e72199d"
+checksum = "e9b6a7421484856c90cb2e996b91068d608539bb4e6f0a111b16d70678824d09"
 dependencies = [
  "cpubits",
  "ctutils",
@@ -367,9 +367,9 @@ dependencies = [
 
 [[package]]
 name = "itoa"
-version = "1.0.17"
+version = "1.0.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "92ecc6618181def0457392ccd0ee51198e065e016d1d527a7ac1b6dc7c1f09d2"
+checksum = "8f42a60cbdf9a97f5d2305f08a87dc4e09308d1276d28c869c684d7777685682"
 
 [[package]]
 name = "kdf"