diff --git a/Cargo.lock b/Cargo.lock
index 215cb33..a65534d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -174,11 +174,12 @@ dependencies = [
 
 [[package]]
 name = "elliptic-curve"
-version = "0.1.0"
+version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "generic-array 0.12.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "getrandom 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "subtle 2.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "zeroize 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -802,7 +803,7 @@ version = "0.0.3"
 dependencies = [
  "der-parser 3.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "des 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "elliptic-curve 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "elliptic-curve 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "env_logger 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "getrandom 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "hmac 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -862,7 +863,7 @@ dependencies = [
 "checksum der-parser 3.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "537a7d6becb8c3cae3bab31439c248a12d43267ccc0b1a0333362b7cefb61c3e"
 "checksum des 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "74ba5f1b5aee9772379c2670ba81306e65a93c0ee3caade7a1d22b188d88a3af"
 "checksum digest 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)" = "f3d0c8c8752312f9713efd397ff63acb9f85585afbf179282e720e7704954dd5"
-"checksum elliptic-curve 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "342ea582a079652558003752f75ed8ed7e6b57d883b4015cde9e8982db0bda39"
+"checksum elliptic-curve 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ed8af8090c11491f2eda061d68eb48433176f851dfa6b634f829381c659ea1ff"
 "checksum env_logger 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)" = "44533bbbb3bb3c1fa17d9f2e4e38bbbaf8396ba82193c4cb1b6445d711445d36"
 "checksum failure 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)" = "f8273f13c977665c5db7eb2b99ae520952fe5ac831ae4cd09d80c4c7042b5ed9"
 "checksum failure_derive 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)" = "0bc225b78e0391e4b8683440bf2e63c2deeeb2ce5189eab46e2b68c6d3725d08"
diff --git a/Cargo.toml b/Cargo.toml
index a1bf2f5..2f67546 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -24,7 +24,7 @@ maintenance = { status = "experimental" }
 [dependencies]
 der-parser = "3"
 des = "0.3"
-elliptic-curve = "0.1"
+elliptic-curve = "0.2"
 getrandom = "0.1"
 hmac = "0.7"
 log = "0.4"