diff --git a/Cargo.lock b/Cargo.lock
index 17f94f2..53f7b21 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -248,16 +248,15 @@ dependencies = [
 
 [[package]]
 name = "curve25519-dalek"
-version = "4.0.0-rc.3"
+version = "4.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "436ace70fc06e06f7f689d2624dc4e2f0ea666efb5aa704215f7249ae6e047a7"
+checksum = "97fb8b7c4503de7d6ae7b42ab72a5a59857b4c937ec27a3d4539dba95b5ab2be"
 dependencies = [
  "cfg-if",
  "cpufeatures",
  "curve25519-dalek-derive",
  "digest",
  "fiat-crypto",
- "platforms",
  "rand_core",
  "rustc_version",
  "subtle",
@@ -339,9 +338,9 @@ checksum = "7fcaabb2fef8c910e7f4c7ce9f67a1283a1715879a7c230ca9d6d1ae31f16d91"
 
 [[package]]
 name = "fiat-crypto"
-version = "0.1.19"
+version = "0.2.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "93ace6ec7cc19c8ed33a32eaa9ea692d7faea05006b5356b9e2b668ec4bc3955"
+checksum = "28dea519a9695b9977216879a3ebfddf92f1c08c05d984f8996aecd6ecdc811d"
 
 [[package]]
 name = "generic-array"
@@ -547,12 +546,6 @@ dependencies = [
  "spki",
 ]
 
-[[package]]
-name = "platforms"
-version = "3.0.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e3d7ddaed09e0eb771a79ab0fd64609ba0afb0a8366421957936ad14cbd13630"
-
 [[package]]
 name = "plotters"
 version = "0.3.4"
diff --git a/Cargo.toml b/Cargo.toml
index f37d5b3..f863713 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -25,7 +25,7 @@ rustdoc-args = [
 features = ["batch", "digest", "hazmat", "pem", "serde"]
 
 [dependencies]
-curve25519-dalek = { version = "=4.0.0-rc.3", default-features = false, features = ["digest"] }
+curve25519-dalek = { version = "=4.1.3", default-features = false, features = ["digest"] }
 ed25519 = { version = ">=2.2, <2.3", default-features = false }
 signature = { version = ">=2.0, <2.1", optional = true, default-features = false }
 sha2 = { version = "0.10", default-features = false }
@@ -37,7 +37,7 @@ serde = { version = "1.0", default-features = false, optional = true }
 zeroize = { version = "1.5", default-features = false, optional = true }
 
 [dev-dependencies]
-curve25519-dalek = { version = "=4.0.0-rc.3", default-features = false, features = ["digest", "rand_core"] }
+curve25519-dalek = { version = "=4.1.3", default-features = false, features = ["digest", "rand_core"] }
 blake2 = "0.10"
 sha3 = "0.10"
 hex = "0.4"