diff --git a/Cargo.lock b/Cargo.lock
index fa4d2ad..ccfa093 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -147,9 +147,9 @@ checksum = "41f21b581d2f0cb891554812435667bb9610d74feb1a4c6415bf09c28ff0381d"
 
 [[package]]
 name = "crypto-mac"
-version = "0.8.0"
+version = "0.9.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b584a330336237c1eecd3e94266efb216c56ed91225d634cb2991c5f3fd1aeab"
+checksum = "58bcd97a54c7ca5ce2f6eb16f6bede5b0ab5f0055fedc17d2f0b4466e21671ca"
 dependencies = [
  "generic-array 0.14.2",
  "subtle",
@@ -312,9 +312,9 @@ dependencies = [
 
 [[package]]
 name = "hmac"
-version = "0.8.0"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b87b580bd66811cc2324a27f3587de707cacf7525b96dca8122f7493e6cce0da"
+checksum = "deae6d9dbb35ec2c502d62b8f7b1c000a0822c3b0794ba36b3149c0a1c840dff"
 dependencies = [
  "crypto-mac",
  "digest 0.9.0",
@@ -490,9 +490,9 @@ dependencies = [
 
 [[package]]
 name = "pbkdf2"
-version = "0.4.0"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "216eaa586a190f0a738f2f918511eecfa90f13295abec0e457cdebcceda80cbd"
+checksum = "7170d73bf11f39b4ce1809aabc95bf5c33564cdc16fc3200ddda17a5f6e5e48b"
 dependencies = [
  "base64 0.12.2",
  "crypto-mac",
diff --git a/Cargo.toml b/Cargo.toml
index 8e84d47..d01ec17 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -28,13 +28,13 @@ der-parser = "4"
 des = "0.4"
 elliptic-curve = { version = "0.5", features = ["weierstrass"] }
 getrandom = "0.1"
-hmac = "0.8"
+hmac = "0.9"
 log = "0.4"
 nom = "5"
 num-bigint = { version = "0.6", features = ["rand"], package = "num-bigint-dig" }
 num-traits = "0.2"
 num-integer = "0.1"
-pbkdf2 = "0.4"
+pbkdf2 = "0.5"
 p256 = "0.4"
 p384 = "0.3"
 pcsc = "2"