diff --git a/pkgs/tools/system/syslog-ng/default.nix b/pkgs/tools/system/syslog-ng/default.nix
index f511323f9e55..299988b8367c 100644
--- a/pkgs/tools/system/syslog-ng/default.nix
+++ b/pkgs/tools/system/syslog-ng/default.nix
@@ -59,13 +59,14 @@ let
 in
 stdenv.mkDerivation rec {
   pname = "syslog-ng";
-  version = "4.4.0";
+  version = "4.5.0";
 
   src = fetchFromGitHub {
     owner = "syslog-ng";
     repo = "syslog-ng";
     rev = "syslog-ng-${version}";
-    hash = "sha256-NXwd4dyPfnHO3yjl3GPAMQYqenfpp7xFOil2G1e66w4=";
+    hash = "sha256-cWlTGACuHm8o2563Axh43Ks7EhYok6+V9mOkrYp4km8=";
+    fetchSubmodules = true;
   };
   nativeBuildInputs = [ autoreconfHook autoconf-archive pkg-config which bison flex libxslt perl ];