diff --git a/Cargo.lock b/Cargo.lock
index d78da4b..cd94c1f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -38,7 +38,7 @@ dependencies = [
  "aead",
  "aes",
  "cipher 0.4.4",
- "ctr",
+ "ctr 0.9.2",
  "ghash",
  "subtle",
 ]
@@ -340,6 +340,7 @@ version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e34d8227fe1ba289043aeb13792056ff80fd6de1a9f49137a5f499de8e8c78ea"
 dependencies = [
+ "block-buffer 0.12.0",
  "crypto-common 0.2.1",
  "inout 0.2.2",
 ]
@@ -546,7 +547,7 @@ dependencies = [
  "criterion",
  "cryptoki",
  "ctap-hid-fido2",
- "ctr",
+ "ctr 0.10.0",
  "flate2",
  "getrandom 0.4.1",
  "hex",
@@ -635,6 +636,15 @@ dependencies = [
  "cipher 0.4.4",
 ]
 
+[[package]]
+name = "ctr"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "17469f8eb9bdbfad10f71f4cfddfd38b01143520c0e717d8796ccb4d44d44e42"
+dependencies = [
+ "cipher 0.5.1",
+]
+
 [[package]]
 name = "ctutils"
 version = "0.4.0"
@@ -1321,7 +1331,7 @@ dependencies = [
  "cipher 0.5.1",
  "criterion",
  "crypto_core",
- "ctr",
+ "ctr 0.10.0",
  "getrandom 0.4.1",
  "hex",
  "hkdf 0.13.0",
@@ -2458,7 +2468,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0136791f7c95b1f6dd99f9cc786b91bb81c3800b639b3478e561ddb7be95e5f1"
 dependencies = [
  "fastrand",
- "getrandom 0.3.4",
+ "getrandom 0.4.1",
  "once_cell",
  "rustix",
  "windows-sys 0.61.2",
diff --git a/crypto_core/Cargo.toml b/crypto_core/Cargo.toml
index 81e3786..137ed47 100644
--- a/crypto_core/Cargo.toml
+++ b/crypto_core/Cargo.toml
@@ -31,7 +31,7 @@ aes-gcm = "0.10"
 aes = { version = "0.8", optional = true }
 
 # CTR mode for streaming encryption
-ctr = { version = "0.9", optional = true }
+ctr = { version = "0.10", optional = true }
 
 # Cipher traits (BlockEncrypt etc.)
 cipher = { version = "0.5", optional = true }
diff --git a/rust_crypto/Cargo.toml b/rust_crypto/Cargo.toml
index 4f444a4..b9bd94c 100644
--- a/rust_crypto/Cargo.toml
+++ b/rust_crypto/Cargo.toml
@@ -23,7 +23,7 @@ pyo3 = { version = "0.28.2", features = ["extension-module"], optional = true }
 argon2 = "0.5"   # Argon2id KDF (password hashing)
 aes-gcm = "0.10" # AES-256-GCM AEAD encryption
 aes = "0.8"      # AES block cipher (for CTR mode)
-ctr = "0.9"      # CTR mode for streaming encryption
+ctr = "0.10"      # CTR mode for streaming encryption
 cipher = "0.5"   # Cipher traits
 hkdf = "0.13"    # HKDF key derivation (RFC 5869)
 hmac = "0.13"    # HMAC-SHA256 authentication