diff --git a/Cargo.lock b/Cargo.lock
index 8639afe..340e5d6 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -129,9 +129,9 @@ dependencies = [
 
 [[package]]
 name = "curve25519-dalek"
-version = "5.0.0-pre.3"
+version = "5.0.0-pre.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "92419e1cdc506051ffd30713ad09d0ec6a24bba9197e12989de389e35b19c77a"
+checksum = "6ae8b2fe5e4995d7fd08a7604e794dc569a65ed19659f5939d529813ed816d38"
 dependencies = [
  "cfg-if",
  "cpufeatures",
@@ -431,10 +431,11 @@ checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49"
 
 [[package]]
 name = "scrypt"
-version = "0.12.0-rc.7"
+version = "0.12.0-rc.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "899b703812a73065bbd0c4017dfe1932125da1502870ad88125d7ee3668c9f23"
+checksum = "13ac15f5e54b9e1ba72ee618fc8ed94dd9dbe7b09c0eeaed80bced84100d8381"
 dependencies = [
+ "cfg-if",
  "password-hash",
  "pbkdf2",
  "salsa20",
diff --git a/aucpace/Cargo.toml b/aucpace/Cargo.toml
index 620ed05..25d200d 100644
--- a/aucpace/Cargo.toml
+++ b/aucpace/Cargo.toml
@@ -15,7 +15,7 @@ edition = "2024"
 rust-version = "1.85"
 
 [dependencies]
-curve25519-dalek = { version = "5.0.0-pre.3", default-features = false, features = ["digest", "rand_core"] }
+curve25519-dalek = { version = "5.0.0-pre.4", default-features = false, features = ["digest", "rand_core"] }
 password-hash = { version = "0.6.0-rc.7", default-features = false, features = ["phc", "rand_core"] }
 rand_core = { version = "0.10.0-rc-3", default-features = false }
 subtle = { version = "2.4", default-features = false }
@@ -24,14 +24,14 @@ subtle = { version = "2.4", default-features = false }
 rand = { version = "0.10.0-rc.6", optional = true }
 serde = { version = "1.0.184", default-features = false, optional = true, features = ["derive"] }
 serde-byte-array = { version = "0.1", optional = true }
-scrypt = { version = "0.12.0-rc.7", default-features = false, optional = true, features = ["phc"] }
+scrypt = { version = "0.12.0-rc.8", default-features = false, optional = true, features = ["phc"] }
 sha2 = { version = "0.11.0-rc.3", default-features = false, optional = true }
 
 [dev-dependencies]
-curve25519-dalek = { version = "5.0.0-pre.3", features = ["digest", "rand_core"] }
+curve25519-dalek = { version = "5.0.0-pre.4", features = ["digest", "rand_core"] }
 password-hash = { version = "0.6.0-rc.7", features = ["rand_core"] }
 postcard = { version = "1", features = ["use-std"] }
-scrypt = { version = "0.12.0-rc.7", features = ["phc"] }
+scrypt = { version = "0.12.0-rc.8", features = ["phc"] }
 sha2 = "0.11.0-rc.3"
 
 [features]