diff --git a/pkgs/development/libraries/wolfssl/default.nix b/pkgs/development/libraries/wolfssl/default.nix
index 1bad9c5eb2a6..438b40d91404 100644
--- a/pkgs/development/libraries/wolfssl/default.nix
+++ b/pkgs/development/libraries/wolfssl/default.nix
@@ -2,13 +2,13 @@
 
 stdenv.mkDerivation rec {
   pname = "wolfssl";
-  version = "4.2.0";
+  version = "4.3.0";
 
   src = fetchFromGitHub {
     owner = "wolfSSL";
     repo = "wolfssl";
     rev = "v${version}-stable";
-    sha256 = "16s7jx2brgii6jbpmr30ggkc7rrf388jl26g357sm7ggwliiwask";
+    sha256 = "1gd613k4qh9yhl0d8yh0flqn2cvm9qb5pp2p0khk31b1fh1p4vin";
   };
 
   configureFlags = [ "--enable-all" ];