diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ccc35edf..1071f0a3 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -36,13 +36,13 @@ jobs:
             toolchain: stable
             deps: true
           - platform: ubuntu-latest
-            toolchain: 1.46.0 # MSRV
+            toolchain: 1.47.0 # MSRV
             deps: sudo apt-get install libpcsclite-dev
           - platform: windows-latest
-            toolchain: 1.46.0 # MSRV
+            toolchain: 1.47.0 # MSRV
             deps: true
           - platform: macos-latest
-            toolchain: 1.46.0 # MSRV
+            toolchain: 1.47.0 # MSRV
             deps: true
     runs-on: ${{ matrix.platform }}
     steps:
@@ -82,7 +82,7 @@ jobs:
       - uses: actions-rs/toolchain@v1
         with:
           profile: minimal
-          toolchain: 1.46.0 # MSRV
+          toolchain: 1.47.0 # MSRV
           components: clippy
           override: true
       - run: sudo apt-get install libpcsclite-dev
diff --git a/Cargo.lock b/Cargo.lock
index c99eb3ed..6a6d3c27 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -54,23 +54,24 @@ checksum = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693"
 
 [[package]]
 name = "bitvec"
-version = "0.18.5"
+version = "0.19.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "98fcd36dda4e17b7d7abc64cb549bf0201f4ab71e00700c798ca7e62ed3761fa"
+checksum = "8942c8d352ae1838c9dda0b0ca2ab657696ef2232a20147cf1b30ae1a9cb4321"
 dependencies = [
  "funty",
- "radium 0.3.0",
+ "radium 0.5.3",
+ "tap",
  "wyz",
 ]
 
 [[package]]
 name = "bitvec"
-version = "0.19.5"
+version = "0.20.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8942c8d352ae1838c9dda0b0ca2ab657696ef2232a20147cf1b30ae1a9cb4321"
+checksum = "7774144344a4faa177370406a7ff5f1da24303817368584c6206c8303eb07848"
 dependencies = [
  "funty",
- "radium 0.5.3",
+ "radium 0.6.2",
  "tap",
  "wyz",
 ]
@@ -123,18 +124,18 @@ dependencies = [
 
 [[package]]
 name = "cipher"
-version = "0.2.5"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "12f8e7987cbd042a63249497f41aed09f8e65add917ea6566effbc56578d6801"
+checksum = "7ee52072ec15386f770805afd189a01c8841be8696bed250fa2f13c4c0d6dfb7"
 dependencies = [
  "generic-array",
 ]
 
 [[package]]
 name = "const-oid"
-version = "0.4.5"
+version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9f6b64db6932c7e49332728e3a6bd82c6b7e16016607d20923b537c3bc4c0d5f"
+checksum = "279bc8fc53f788a75c7804af68237d1fce02cde1e275a886a4b320604dc2aeda"
 
 [[package]]
 name = "cookie-factory"
@@ -150,9 +151,9 @@ checksum = "8aebca1129a03dc6dc2b127edd729435bbc4a37e1d5f4d7513165089ceb02634"
 
 [[package]]
 name = "crypto-mac"
-version = "0.10.0"
+version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4857fd85a0c34b3c3297875b747c1e02e06b6a0ea32dd892d8192b9ce0813ea6"
+checksum = "25fab6889090c8133f3deb8f73ba3c65a7f456f66436fc012a1b1e272b1e103e"
 dependencies = [
  "generic-array",
  "subtle",
@@ -166,11 +167,12 @@ checksum = "3ee2393c4a91429dffb4bedf19f4d6abf27d8a732c8ce4980305d782e5426d57"
 
 [[package]]
 name = "der"
-version = "0.1.0"
+version = "0.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "51f59c66c30bb7445c8320a5f9233e437e3572368099f25532a59054328899b4"
+checksum = "83dc83d0b59f92103d8e661e60526338ad3aeb0c15fa4a29a14b6a9b1ac8a43c"
 dependencies = [
  "const-oid",
+ "typenum",
 ]
 
 [[package]]
@@ -200,9 +202,9 @@ dependencies = [
 
 [[package]]
 name = "des"
-version = "0.6.0"
+version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b24e7c748888aa2fa8bce21d8c64a52efc810663285315ac7476f7197a982fae"
+checksum = "ac41dd49fb554432020d52c875fc290e110113f864c6b1b525cd62c7e7747a5d"
 dependencies = [
  "byteorder",
  "cipher",
@@ -220,10 +222,11 @@ dependencies = [
 
 [[package]]
 name = "ecdsa"
-version = "0.10.2"
+version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "41fbdb4ff710acb4db8ca29f93b897529ea6d6a45626d5183b47e012aa6ae7e4"
+checksum = "6b568b5e72165dd8913ac2aad6a60cb9cb297287615544c523c37f9247b58fc8"
 dependencies = [
+ "der",
  "elliptic-curve",
  "hmac",
  "signature",
@@ -231,18 +234,16 @@ dependencies = [
 
 [[package]]
 name = "elliptic-curve"
-version = "0.8.5"
+version = "0.9.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f2db227e61a43a34915680bdda462ec0e212095518020a88a1f91acd16092c39"
+checksum = "ee681bf25de1aad7cd02ccc7525d7b4bfab7be2493dbe3ee18d93f86eb3dcf3e"
 dependencies = [
- "bitvec 0.18.5",
- "digest",
+ "bitvec 0.20.4",
  "ff",
- "funty",
  "generic-array",
  "group",
  "pkcs8",
- "rand_core 0.5.1",
+ "rand_core",
  "subtle",
  "zeroize",
 ]
@@ -262,12 +263,12 @@ dependencies = [
 
 [[package]]
 name = "ff"
-version = "0.8.0"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "01646e077d4ebda82b73f1bca002ea1e91561a77df2431a9e79729bcc31950ef"
+checksum = "72a4d941a5b7c2a75222e2d44fcdf634a67133d9db31e177ae5ff6ecda852bfe"
 dependencies = [
- "bitvec 0.18.5",
- "rand_core 0.5.1",
+ "bitvec 0.20.4",
+ "rand_core",
  "subtle",
 ]
 
@@ -311,12 +312,12 @@ dependencies = [
 
 [[package]]
 name = "group"
-version = "0.8.0"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cc11f9f5fbf1943b48ae7c2bf6846e7d827a512d1be4f23af708f5ca5d01dde1"
+checksum = "61b3c1e8b4f1ca07e6605ea1be903a5f6956aec5c8a67fd44d56076631675ed8"
 dependencies = [
  "ff",
- "rand_core 0.5.1",
+ "rand_core",
  "subtle",
 ]
 
@@ -351,9 +352,9 @@ dependencies = [
 
 [[package]]
 name = "hmac"
-version = "0.10.1"
+version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c1441c6b1e930e2817404b5046f1f989899143a12bf92de603b69f4e0aee1e15"
+checksum = "2a2a2320eb7ec0ebe8da8f744d7812d9fc4cb4d09344ac01898dbcb6a20ae69b"
 dependencies = [
  "crypto-mac",
  "digest",
@@ -520,9 +521,9 @@ checksum = "624a8340c38c1b80fd549087862da4ba43e08858af025b236e509b6649fc13d5"
 
 [[package]]
 name = "p256"
-version = "0.7.3"
+version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8adcc06fe90ec8fb2d2ad46746d2cbd639b158d4240364aa832da7e263dbee91"
+checksum = "1cf301f7f053902eaf046d541cd7b454a588b2bdd571f18195b57ae197aed2cb"
 dependencies = [
  "ecdsa",
  "elliptic-curve",
@@ -531,18 +532,18 @@ dependencies = [
 
 [[package]]
 name = "p384"
-version = "0.6.1"
+version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ea33960aac2200d19a5c9ab06a11ebd48a37a23144496632c358182e6765d80b"
+checksum = "94e3bfd7d8f202c293072de214ad93480b533985bfee4fa4a13cfdd185fab13d"
 dependencies = [
  "elliptic-curve",
 ]
 
 [[package]]
 name = "pbkdf2"
-version = "0.7.5"
+version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bf916dd32dd26297907890d99dc2740e33f6bd9073965af4ccff2967962f5508"
+checksum = "d95f5254224e617595d2cc3cc73ff0a5eaf2637519e25f03388154e9378b6ffa"
 dependencies = [
  "crypto-mac",
 ]
@@ -579,11 +580,12 @@ dependencies = [
 
 [[package]]
 name = "pkcs8"
-version = "0.3.3"
+version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b4839a901843f3942576e65857f0ebf2e190ef7024d3c62a94099ba3f819ad1d"
+checksum = "b813f58dc6e5d1820868a3c3df3a7ae7852aa2d3d18e98f0d6b20ddd01fe25d7"
 dependencies = [
  "der",
+ "spki",
 ]
 
 [[package]]
@@ -618,15 +620,15 @@ dependencies = [
 
 [[package]]
 name = "radium"
-version = "0.3.0"
+version = "0.5.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "def50a86306165861203e7f84ecffbbdfdea79f0e51039b33de1e952358c47ac"
+checksum = "941ba9d78d8e2f7ce474c015eea4d9c6d25b6a3327f9832ee29a4de27f91bbb8"
 
 [[package]]
 name = "radium"
-version = "0.5.3"
+version = "0.6.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "941ba9d78d8e2f7ce474c015eea4d9c6d25b6a3327f9832ee29a4de27f91bbb8"
+checksum = "643f8f41a8ebc4c5dc4515c82bb8abd397b527fc20fd681b7c011c2aee5d44fb"
 
 [[package]]
 name = "rand"
@@ -636,7 +638,7 @@ checksum = "0ef9e7e66b4468674bfcb0c81af8b7fa0bb154fa9f28eb840da5c447baeb8d7e"
 dependencies = [
  "libc",
  "rand_chacha",
- "rand_core 0.6.2",
+ "rand_core",
  "rand_hc",
 ]
 
@@ -647,15 +649,9 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e12735cf05c9e10bf21534da50a147b924d555dc7a547c42e6bb2d5b6017ae0d"
 dependencies = [
  "ppv-lite86",
- "rand_core 0.6.2",
+ "rand_core",
 ]
 
-[[package]]
-name = "rand_core"
-version = "0.5.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "90bde5296fc891b0cef12a6d03ddccc162ce7b2aff54160af9338f8d40df6d19"
-
 [[package]]
 name = "rand_core"
 version = "0.6.2"
@@ -671,7 +667,7 @@ version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3190ef7066a446f2e7f42e239d161e905420ccab01eb967c9eb27d21b2322a73"
 dependencies = [
- "rand_core 0.6.2",
+ "rand_core",
 ]
 
 [[package]]
@@ -790,12 +786,12 @@ dependencies = [
 
 [[package]]
 name = "signature"
-version = "1.2.2"
+version = "1.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "29f060a7d147e33490ec10da418795238fd7545bba241504d6b31a409f2e6210"
+checksum = "0f0242b8e50dd9accdd56170e94ca1ebd223b098eb9c83539a6e367d0f36ae68"
 dependencies = [
  "digest",
- "rand_core 0.5.1",
+ "rand_core",
 ]
 
 [[package]]
@@ -822,6 +818,15 @@ version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6e63cff320ae2c57904679ba7cb63280a3dc4613885beafb148ee7bf9aa9042d"
 
+[[package]]
+name = "spki"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9dae7e047abc519c96350e9484a96c6bf1492348af912fd3446dd2dc323f6268"
+dependencies = [
+ "der",
+]
+
 [[package]]
 name = "static_assertions"
 version = "1.1.0"
diff --git a/Cargo.toml b/Cargo.toml
index ba52c9d9..a6ba2313 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -25,18 +25,18 @@ maintenance = { status = "experimental" }
 chrono = "0.4"
 cookie-factory = "0.3"
 der-parser = "5"
-des = "0.6"
-elliptic-curve = "0.8"
+des = "0.7"
+elliptic-curve = "0.9"
 getrandom = "0.1"
-hmac = "0.10"
+hmac = "0.11"
 log = "0.4"
 nom = "6"
 num-bigint-dig = { version = "0.7", features = ["rand"], package = "num-bigint-dig" }
 num-traits = "0.2"
 num-integer = "0.1"
-pbkdf2 = { version = "0.7", default-features = false }
-p256 = "0.7"
-p384 = "0.6"
+pbkdf2 = { version = "0.8", default-features = false }
+p256 = "0.8"
+p384 = "0.7"
 pcsc = "2"
 rsa = "0.4"
 secrecy = "0.7"
diff --git a/src/mgm.rs b/src/mgm.rs
index 853a15b4..228a12e6 100644
--- a/src/mgm.rs
+++ b/src/mgm.rs
@@ -43,7 +43,7 @@ use crate::{
     TAG_ADMIN_FLAGS_1, TAG_ADMIN_SALT, TAG_PROTECTED_MGM,
 };
 use des::{
-    cipher::{generic_array::GenericArray, BlockCipher, NewBlockCipher},
+    cipher::{generic_array::GenericArray, BlockDecrypt, BlockEncrypt, NewBlockCipher},
     TdesEde3,
 };
 #[cfg(feature = "untested")]