diff --git a/Cargo.lock b/Cargo.lock
index 9663c72..51715a4 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -27,13 +27,14 @@ dependencies = [
 
 [[package]]
 name = "aes"
-version = "0.4.0"
+version = "0.7.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f7001367fde4c768a19d1029f0a8be5abd9308e1119846d5bd9ad26297b8faf5"
+checksum = "495ee669413bfbe9e8cace80f4d3d78e6d8c8d99579f97fb93bde351b185f2d4"
 dependencies = [
- "aes-soft",
- "aesni",
- "block-cipher",
+ "cfg-if 1.0.0",
+ "cipher",
+ "cpufeatures",
+ "opaque-debug 0.3.0",
 ]
 
 [[package]]
@@ -49,27 +50,6 @@ dependencies = [
  "zeroize",
 ]
 
-[[package]]
-name = "aes-soft"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4925647ee64e5056cf231608957ce7c81e12d6d6e316b9ce1404778cc1d35fa7"
-dependencies = [
- "block-cipher",
- "byteorder",
- "opaque-debug",
-]
-
-[[package]]
-name = "aesni"
-version = "0.7.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d050d39b0b7688b3a3254394c3e30a9d66c41dcf9b05b0e2dbdc623f6505d264"
-dependencies = [
- "block-cipher",
- "opaque-debug",
-]
-
 [[package]]
 name = "aho-corasick"
 version = "0.7.10"
@@ -177,7 +157,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "05100821de9e028f12ae3d189176b41ee198341eb8f369956407fea2f5cc666c"
 dependencies = [
  "addr2line",
- "cfg-if",
+ "cfg-if 0.1.10",
  "libc",
  "miniz_oxide",
  "object",
@@ -246,6 +226,21 @@ version = "0.1.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4785bdd1c96b2a846b2bd7cc02e86b6b3dbf14e7e53446c4f54c92a361040822"
 
+[[package]]
+name = "cfg-if"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
+
+[[package]]
+name = "cipher"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7ee52072ec15386f770805afd189a01c8841be8696bed250fa2f13c4c0d6dfb7"
+dependencies = [
+ "generic-array 0.14.2",
+]
+
 [[package]]
 name = "consts"
 version = "0.0.0"
@@ -280,13 +275,22 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "cpufeatures"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ed00c67cb5d0a7d64a44f6ad2668db7e7530311dd53ea79bcd4fb022c64911c8"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "crc32fast"
 version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ba125de2af0df55319f41944744ad91c71113bf74a4646efff39afe1f6842db1"
 dependencies = [
- "cfg-if",
+ "cfg-if 0.1.10",
 ]
 
 [[package]]
@@ -405,7 +409,7 @@ version = "0.2.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "affc17579b132fc2461adf7c575cc6e8b134ebca52c51f5411388965227dc695"
 dependencies = [
- "cfg-if",
+ "cfg-if 0.1.10",
  "libc",
  "redox_syscall",
  "winapi",
@@ -554,7 +558,7 @@ version = "0.4.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "14b6052be84e6b71ab17edffc2eeabf5c2c3ae1fdb464aae35ac50c67a44e1f7"
 dependencies = [
- "cfg-if",
+ "cfg-if 0.1.10",
 ]
 
 [[package]]
@@ -592,6 +596,12 @@ version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2839e79665f131bdb5782e51f2c6c9599c133c6098982a54c794358bf432529c"
 
+[[package]]
+name = "opaque-debug"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "624a8340c38c1b80fd549087862da4ba43e08858af025b236e509b6649fc13d5"
+
 [[package]]
 name = "p256"
 version = "0.3.0"
@@ -622,7 +632,7 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d9a50142b55ab3ed0e9f68dfb3709f1d90d29da24e91033f28b96330643107dc"
 dependencies = [
- "cfg-if",
+ "cfg-if 0.1.10",
  "universal-hash",
 ]
 
@@ -734,7 +744,7 @@ dependencies = [
  "block-buffer",
  "digest",
  "fake-simd",
- "opaque-debug",
+ "opaque-debug 0.2.3",
 ]
 
 [[package]]
diff --git a/core/Cargo.toml b/core/Cargo.toml
index 7f2397f..3484ff9 100644
--- a/core/Cargo.toml
+++ b/core/Cargo.toml
@@ -23,7 +23,7 @@ ecdsa = { version = "0.6", optional = true, default-features = false, features =
 heapless = "0.5"
 
 [dev-dependencies]
-aes = "0.4"
+aes = "0.7"
 
 [features]
 default = ["ecdsa"]