diff --git a/Cargo.lock b/Cargo.lock
index 4d196ec..b0cf56b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -14,12 +14,6 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4c7f02d4ea65f2c1853089ffd8d2787bdbc63de2f0d29dedbcf8ccdfa0ccd4cf"
 
-[[package]]
-name = "base64ct"
-version = "1.6.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8c3c1a368f70d6cf7302d78f8f7093da241fb8e8807c05cc9e51a125895a6d5b"
-
 [[package]]
 name = "block-buffer"
 version = "0.10.4"
@@ -114,7 +108,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fffa369a668c8af7dbf8b5e56c9f744fbd399949ed171606040001947de40b1c"
 dependencies = [
  "const-oid",
- "pem-rfc7468",
  "zeroize",
 ]
 
@@ -125,25 +118,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9ed9a281f7bc9b7576e61468ba615a66a5c8cfdff42420a70aa82701a3b1e292"
 dependencies = [
  "block-buffer",
- "const-oid",
  "crypto-common",
  "subtle",
 ]
 
-[[package]]
-name = "ecdsa"
-version = "0.16.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ee27f32b5c5292967d2d4a9d7f1e0b0aed2c15daded5a60300e4abb9d8020bca"
-dependencies = [
- "der",
- "digest",
- "elliptic-curve",
- "rfc6979",
- "signature",
- "spki",
-]
-
 [[package]]
 name = "educe"
 version = "0.4.23"
@@ -168,8 +146,6 @@ dependencies = [
  "ff",
  "generic-array",
  "group",
- "pem-rfc7468",
- "pkcs8",
  "rand_core",
  "sec1",
  "subtle",
@@ -218,9 +194,9 @@ dependencies = [
 
 [[package]]
 name = "generic-ec"
-version = "0.2.0"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4f315ffeaae6a05691c5a27028b4ae960d3a430e406d0109ff8502e2f84ae97b"
+checksum = "5c35601473af37794b53e8c7dc4a540a659d8de54c957990e88715b4037597d1"
 dependencies = [
  "generic-ec-core",
  "generic-ec-curves",
@@ -235,9 +211,9 @@ dependencies = [
 
 [[package]]
 name = "generic-ec-core"
-version = "0.1.2"
+version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1193740c17f0324ea5d7db0635230f7538e5d33e0f9732af92d3f9fd4b87663e"
+checksum = "f156564cc8aa47456da807826b1a0aa9cf420474d9f41593ffbdde65133d4bea"
 dependencies = [
  "generic-array",
  "rand_core",
@@ -248,11 +224,10 @@ dependencies = [
 
 [[package]]
 name = "generic-ec-curves"
-version = "0.1.0"
+version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9cb0230c551d3f3c0d272092e961de40cdaf7661ad5560948f6a262b64cd9bc2"
+checksum = "bc3ac034f2ec693d6e9b2941235317367fd36877a02bbda05adda0da00693850"
 dependencies = [
- "crypto-bigint",
  "elliptic-curve",
  "generic-ec-core",
  "k256",
@@ -263,17 +238,6 @@ dependencies = [
  "zeroize",
 ]
 
-[[package]]
-name = "getrandom"
-version = "0.2.11"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fe9006bed769170c11f845cf00c7c1e9092aeb3f268e007c3e760ac68008070f"
-dependencies = [
- "cfg-if",
- "libc",
- "wasi",
-]
-
 [[package]]
 name = "group"
 version = "0.13.0"
@@ -319,11 +283,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3f01b677d82ef7a676aa37e099defd83a28e15687112cafdd112d60236b6115b"
 dependencies = [
  "cfg-if",
- "ecdsa",
  "elliptic-curve",
- "once_cell",
- "sha2",
- "signature",
 ]
 
 [[package]]
@@ -362,31 +322,14 @@ dependencies = [
  "autocfg",
 ]
 
-[[package]]
-name = "once_cell"
-version = "1.19.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3fdb12b2476b595f9358c5161aa467c2438859caa136dec86c26fdd2efe17b92"
-
 [[package]]
 name = "p256"
 version = "0.13.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c9863ad85fa8f4460f9c48cb909d38a0d689dba1f6f6988a5e3e0d31071bcd4b"
 dependencies = [
- "ecdsa",
  "elliptic-curve",
  "primeorder",
- "sha2",
-]
-
-[[package]]
-name = "pem-rfc7468"
-version = "0.7.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "88b39c9bfcfc231068454382784bb460aae594343fb030d46e9f50a645418412"
-dependencies = [
- "base64ct",
 ]
 
 [[package]]
@@ -398,16 +341,6 @@ dependencies = [
  "educe",
 ]
 
-[[package]]
-name = "pkcs8"
-version = "0.10.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f950b2377845cebe5cf8b5165cb3cc1a5e0fa5cfa3e1f7f55707d8fd82e0a7b7"
-dependencies = [
- "der",
- "spki",
-]
-
 [[package]]
 name = "primeorder"
 version = "0.13.6"
@@ -440,19 +373,6 @@ name = "rand_core"
 version = "0.6.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
-dependencies = [
- "getrandom",
-]
-
-[[package]]
-name = "rfc6979"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f8dd2a808d456c4a54e300a23e9f5a67e122c3024119acbfd73e3bf664491cb2"
-dependencies = [
- "hmac",
- "subtle",
-]
 
 [[package]]
 name = "sec1"
@@ -463,7 +383,6 @@ dependencies = [
  "base16ct",
  "der",
  "generic-array",
- "pkcs8",
  "subtle",
  "zeroize",
 ]
@@ -521,19 +440,9 @@ dependencies = [
  "digest",
 ]
 
-[[package]]
-name = "signature"
-version = "2.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "77549399552de45a898a580c1b41d445bf730df867cc44e6c0233bbc4b8329de"
-dependencies = [
- "digest",
- "rand_core",
-]
-
 [[package]]
 name = "slip-10"
-version = "0.2.0"
+version = "0.3.0"
 dependencies = [
  "generic-array",
  "generic-ec",
@@ -544,16 +453,6 @@ dependencies = [
  "subtle",
 ]
 
-[[package]]
-name = "spki"
-version = "0.7.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d91ed6c858b01f942cd56b37a94b3e0a1798290327d1236e4d9cf4eaca44d29d"
-dependencies = [
- "base64ct",
- "der",
-]
-
 [[package]]
 name = "strsim"
 version = "0.10.0"
@@ -606,12 +505,6 @@ version = "0.9.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
 
-[[package]]
-name = "wasi"
-version = "0.11.0+wasi-snapshot-preview1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
-
 [[package]]
 name = "zeroize"
 version = "1.7.0"
diff --git a/Cargo.toml b/Cargo.toml
index bd48385..b42ae60 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "slip-10"
-version = "0.2.0"
+version = "0.3.0"
 edition = "2021"
 license = "MIT OR Apache-2.0"
 description = "SLIP10 implementation in Rust"
@@ -9,7 +9,7 @@ repository = "https://github.com/dfns/slip-10"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-generic-ec = { version = "0.2", default-features = false }
+generic-ec = { version = "0.3", default-features = false }
 
 hmac = { version = "0.12", default-features = false }
 sha2 = { version = "0.10", default-features = false }