diff --git a/pkgs/by-name/ru/rustls-ffi/package.nix b/pkgs/by-name/ru/rustls-ffi/package.nix
index 4d13a8ae531c..7eb2cd924b3f 100644
--- a/pkgs/by-name/ru/rustls-ffi/package.nix
+++ b/pkgs/by-name/ru/rustls-ffi/package.nix
@@ -15,18 +15,18 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "rustls-ffi";
-  version = "0.15.3";
+  version = "0.15.4";
 
   src = fetchFromGitHub {
     owner = "rustls";
     repo = "rustls-ffi";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-ayD9A9ZiQX3pkRJ4T+EyDsNroGuTdR2xEXcfz6D3MY8=";
+    hash = "sha256-bhh9KtL7AvRLX1W6+FKdimq+YZsIsQHFdVKf1h1i0Jo=";
   };
 
   cargoDeps = rustPlatform.fetchCargoVendor {
     inherit (finalAttrs) pname version src;
-    hash = "sha256-5FJb6cuQMT2NWQvbxip+medxcEUtSnZaKu8QR2YFKzc=";
+    hash = "sha256-22MIs5vjWu9IbjrpbPnp4g3i+nR6v7qxQoMhfve5SDM=";
   };
 
   propagatedBuildInputs = lib.optionals stdenv.hostPlatform.isDarwin [