diff --git a/pkgs/applications/networking/scaleft/default.nix b/pkgs/applications/networking/scaleft/default.nix
index 991780bd820..864f10553ee 100644
--- a/pkgs/applications/networking/scaleft/default.nix
+++ b/pkgs/applications/networking/scaleft/default.nix
@@ -2,12 +2,12 @@
 
 stdenv.mkDerivation rec {
   pname = "scaleft";
-  version = "1.41.0";
+  version = "1.45.3";
 
   src =
     fetchurl {
       url = "http://pkg.scaleft.com/rpm/scaleft-client-tools-${version}-1.x86_64.rpm";
-      sha256 = "a9a2f60cc85167a1098f44b35efd755b8155f0b88da8572e96ace767e7933c4d";
+      sha256 = "02hsn64kg22pgga5ldjwhnqc6jq8w03mwf40dfanln1qz38x9nx1";
     };
 
   nativeBuildInputs = [ patchelf rpmextract ];