diff --git a/pkgs/tools/security/libmodsecurity/default.nix b/pkgs/tools/security/libmodsecurity/default.nix
index 3bf906fb4c12..b3dc1270fb9c 100644
--- a/pkgs/tools/security/libmodsecurity/default.nix
+++ b/pkgs/tools/security/libmodsecurity/default.nix
@@ -4,19 +4,19 @@
 
 stdenv.mkDerivation rec {
   name = "libmodsecurity-${version}";
-  version = "3.0.2";
+  version = "3.0.3";
 
   src = fetchFromGitHub {
     owner = "SpiderLabs";
     repo = "ModSecurity";
     fetchSubmodules = true;
     rev = "v${version}";
-    sha256 = "0jhyqsvcjxq9ybndcinc08awknrg3sbkaby5w3qw03aqbfjkpywc";
+    sha256 = "00g2407g2679zv73q67zd50z0f1g1ij734ssv2pp77z4chn5dzib";
   };
 
-  nativeBuildInputs = [ autoreconfHook pkgconfig ];
+  nativeBuildInputs = [ autoreconfHook pkgconfig doxygen ];
 
-  buildInputs = [ doxygen perl valgrind curl geoip libxml2 lmdb lua pcre yajl];
+  buildInputs = [ perl valgrind curl geoip libxml2 lmdb lua pcre yajl ];
 
   configureFlags = [
     "--enable-static"
@@ -26,6 +26,8 @@ stdenv.mkDerivation rec {
     "--with-yajl=${yajl}"
   ];
 
+  enableParallelBuilding = true;
+
   meta = with stdenv.lib; {
     description = ''
       ModSecurity v3 library component.