diff --git a/pkgs/by-name/zl/zlog/package.nix b/pkgs/by-name/zl/zlog/package.nix
index 9054ae1a6a54..75faa879f64e 100644
--- a/pkgs/by-name/zl/zlog/package.nix
+++ b/pkgs/by-name/zl/zlog/package.nix
@@ -2,28 +2,19 @@
   lib,
   stdenv,
   fetchFromGitHub,
-  fetchpatch,
 }:
 
 stdenv.mkDerivation rec {
-  version = "1.2.17";
+  version = "1.2.18";
   pname = "zlog";
 
   src = fetchFromGitHub {
     owner = "HardySimpson";
     repo = pname;
     rev = version;
-    sha256 = "sha256-ckpDMRLxObpl8N539DC5u2bPpmD7jM+KugurUfta6tg=";
+    hash = "sha256-79yyOGKgqUR1KI2+ngZd7jfVcz4Dw1IxaYfBJyjsxYc=";
   };
 
-  patches = [
-    (fetchpatch {
-      name = "CVE-2024-22857.patch";
-      url = "https://github.com/HardySimpson/zlog/commit/c47f781a9f1e9604f5201e27d046d925d0d48ac4.patch";
-      hash = "sha256-3FAAHJ2R/OpNpErWXptjEh0x370/jzvK2VhuUuyaOjE=";
-    })
-  ];
-
   makeFlags = [ "PREFIX=${placeholder "out"}" ];
 
   preBuild = lib.optionalString stdenv.hostPlatform.isDarwin ''
@@ -33,7 +24,7 @@ stdenv.mkDerivation rec {
   meta = with lib; {
     description = "Reliable, high-performance, thread safe, flexible, clear-model, pure C logging library";
     homepage = "https://hardysimpson.github.io/zlog/";
-    license = licenses.lgpl21;
+    license = licenses.asl20;
     maintainers = [ maintainers.matthiasbeyer ];
     mainProgram = "zlog-chk-conf";
     platforms = platforms.unix;