diff --git a/Cargo.lock b/Cargo.lock
index c84b472c1d..498cf594a3 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -919,16 +919,15 @@ dependencies = [
 
 [[package]]
 name = "curve25519-dalek"
-version = "4.0.0"
+version = "4.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f711ade317dd348950a9910f81c5947e3d8907ebd2b83f76203ff1807e6a2bc2"
+checksum = "97fb8b7c4503de7d6ae7b42ab72a5a59857b4c937ec27a3d4539dba95b5ab2be"
 dependencies = [
  "cfg-if",
  "cpufeatures",
  "curve25519-dalek-derive",
  "digest",
  "fiat-crypto",
- "platforms",
  "rustc_version",
  "subtle",
  "zeroize",
@@ -1383,9 +1382,9 @@ dependencies = [
 
 [[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 = "findshlibs"
@@ -3159,12 +3158,6 @@ version = "0.3.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6ac9a59f73473f1b8d852421e59e64809f025994837ef743615c6d0c5b305160"
 
-[[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"