diff --git a/Cargo.lock b/Cargo.lock
index 5428826..b4cd1e4 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -308,9 +308,9 @@ checksum = "460fbee9c2c2f33933d720630a6a0bac33ba7053db5344fac858d4b8952d77d5"
 
 [[package]]
 name = "crypto-bigint"
-version = "0.7.0-rc.25"
+version = "0.7.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cba9eeeb213f7fd29353032f71f7c173e5f6d95d85151cb3a47197b0ea7e8be7"
+checksum = "42a0d26b245348befa0c121944541476763dcc46ede886c88f9d12e1697d27c3"
 dependencies = [
  "cpubits",
  "ctutils",
@@ -418,9 +418,9 @@ checksum = "48c757948c5ede0e46177b7add2e67155f70e33c07fea8284df6576da70b3719"
 
 [[package]]
 name = "elliptic-curve"
-version = "0.14.0-rc.28"
+version = "0.14.0-rc.32"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bde7860544606d222fd6bd6d9f9a0773321bf78072a637e1d560a058c0031978"
+checksum = "cda94f31325c4275e9706adecbb6f0650dee2f904c915a98e3d81adaaaa757aa"
 dependencies = [
  "base16ct",
  "crypto-bigint",
@@ -640,18 +640,18 @@ checksum = "e712f64ec3850b98572bffac52e2c6f282b29fe6c5fa6d42334b30be438d95c1"
 
 [[package]]
 name = "hkdf"
-version = "0.13.0-rc.5"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cbb55385998ae66b8d2d5143c05c94b9025ab863966f0c94ce7a5fde30105092"
+checksum = "4aaa26c720c68b866f2c96ef5c1264b3e6f473fe5d4ce61cd44bbe913e553018"
 dependencies = [
  "hmac",
 ]
 
 [[package]]
 name = "hmac"
-version = "0.13.0-rc.6"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "60017b071c523c9e5a55dd1253582bff6150c5e96a7e8511e419de1ab5ee97f9"
+checksum = "6303bc9732ae41b04cb554b844a762b4115a61bfaa81e3e83050991eeb56863f"
 dependencies = [
  "digest",
 ]
@@ -880,9 +880,9 @@ dependencies = [
 
 [[package]]
 name = "p256"
-version = "0.14.0-rc.7"
+version = "0.14.0-rc.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "018bfbb86e05fd70a83e985921241035ee09fcd369c4a2c3680b389a01d2ad28"
+checksum = "44f0a10fe314869359cb2901342b045f4e5a962ef9febc006f03d2a8c848fe4c"
 dependencies = [
  "elliptic-curve",
  "primefield",
@@ -1003,9 +1003,9 @@ dependencies = [
 
 [[package]]
 name = "primefield"
-version = "0.14.0-rc.7"
+version = "0.14.0-rc.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "93401c13cc7ff24684571cfca9d3cf9ebabfaf3d4b7b9963ade41ec54da196b5"
+checksum = "1b52e6ee42db392378a95622b463c9740631171d1efce43fa445a569c1600cb6"
 dependencies = [
  "crypto-bigint",
  "crypto-common",
@@ -1017,9 +1017,9 @@ dependencies = [
 
 [[package]]
 name = "primeorder"
-version = "0.14.0-rc.7"
+version = "0.14.0-rc.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a0c5c8a39bcd764bfedf456e8d55e115fe86dda3e0f555371849f2a41cbc9706"
+checksum = "0556580e42c19833f5d232aca11a7687a503ee41f937b54f5ae1d50fc2a6a36a"
 dependencies = [
  "elliptic-curve",
 ]
@@ -1158,9 +1158,9 @@ dependencies = [
 
 [[package]]
 name = "rustcrypto-ff"
-version = "0.14.0-rc.0"
+version = "0.14.0-rc.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c5db129183b2c139d7d87d08be57cba626c715789db17aec65c8866bfd767d1f"
+checksum = "fd2a8adb347447693cd2ba0d218c4b66c62da9b0a5672b17b981e4291ec65ff6"
 dependencies = [
  "rand_core",
  "subtle",
@@ -1168,9 +1168,9 @@ dependencies = [
 
 [[package]]
 name = "rustcrypto-group"
-version = "0.14.0-rc.0"
+version = "0.14.0-rc.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "57c4b1463f274a3ff6fb2f44da43e576cb9424367bd96f185ead87b52fe00523"
+checksum = "369f9b61aa45933c062c9f6b5c3c50ab710687eca83dd3802653b140b43f85ed"
 dependencies = [
  "rand_core",
  "rustcrypto-ff",
@@ -1206,9 +1206,9 @@ checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49"
 
 [[package]]
 name = "sec1"
-version = "0.8.0-rc.13"
+version = "0.8.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7a2400ed44a13193820aa528a19f376c3843141a8ce96ff34b11104cc79763f2"
+checksum = "d56d437c2f19203ce5f7122e507831de96f3d2d4d3be5af44a0b0a09d8a80e4d"
 dependencies = [
  "base16ct",
  "ctutils",
diff --git a/dhkem/Cargo.toml b/dhkem/Cargo.toml
index 46218b2..db8934e 100644
--- a/dhkem/Cargo.toml
+++ b/dhkem/Cargo.toml
@@ -21,7 +21,7 @@ rand_core = "0.10"
 # optional dependencies
 elliptic-curve = { version = "0.14.0-rc.28", optional = true, default-features = false }
 k256 = { version = "0.14.0-rc.7", optional = true, default-features = false, features = ["arithmetic"] }
-p256 = { version = "0.14.0-rc.7", optional = true, default-features = false, features = ["arithmetic"] }
+p256 = { version = "0.14.0-rc.8", optional = true, default-features = false, features = ["arithmetic"] }
 p384 = { version = "0.14.0-rc.7", optional = true, default-features = false, features = ["arithmetic"] }
 p521 = { version = "0.14.0-rc.7", optional = true, default-features = false, features = ["arithmetic"] }
 x25519 = { version = "3.0.0-pre.6", package = "x25519-dalek", optional = true, default-features = false }