diff --git a/pkgs/development/libraries/libressl/2.5.nix b/pkgs/development/libraries/libressl/2.5.nix
index 0a3e0d97f84..b2444b18902 100644
--- a/pkgs/development/libraries/libressl/2.5.nix
+++ b/pkgs/development/libraries/libressl/2.5.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   name = "libressl-${version}";
-  version = "2.5.1";
+  version = "2.5.3";
 
   src = fetchurl {
     url    = "mirror://openbsd/LibreSSL/${name}.tar.gz";
-    sha256 = "1kc709scgd76vk7fld4jnb4wb5lxdv1cj8zsgyjb33xp4jlf06pp";
+    sha256 = "0c4awq45cl757fv7f7f75i5i0ibc6v7ns13n7xvfak7chv2lrqql";
   };
 
   enableParallelBuilding = true;