diff --git a/pkgs/by-name/ru/rustls-ffi/package.nix b/pkgs/by-name/ru/rustls-ffi/package.nix
index 32e53885e41c..6867269bcc53 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 = "0.15.5";
+  version = "0.15.6";
 
   src = fetchFromGitHub {
     owner = "rustls";
     repo = "rustls-ffi";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-SJhm/krDU7dMH99ULJ0EOMCxP69/ueQKCWrt00G3m8g=";
+    hash = "sha256-qVsadtAxS+yTt9FZMszwxql0CBTuz9ofpTto1hw9Kzg=";
   };
 
   cargoDeps = rustPlatform.fetchCargoVendor {
     inherit (finalAttrs) pname version src;
-    hash = "sha256-hiBMosPc77z0Z6xeP9wnh0B9mFDTXQ7nZ3OExO4leTs=";
+    hash = "sha256-rALR92Ia+I2axVTMVjI9UyNiiS4e6QuN5QU9JfM0UY8=";
   };
 
   propagatedBuildInputs = lib.optionals stdenv.hostPlatform.isDarwin [