diff --git a/pkgs/by-name/li/libpg_query/package.nix b/pkgs/by-name/li/libpg_query/package.nix
index 3f78829abccd..7e801d8839b7 100644
--- a/pkgs/by-name/li/libpg_query/package.nix
+++ b/pkgs/by-name/li/libpg_query/package.nix
@@ -9,13 +9,13 @@
 }:
 stdenv.mkDerivation (finalAttrs: {
   pname = "libpg_query";
-  version = "17-6.1.0";
+  version = "18.0.0";
 
   src = fetchFromGitHub {
     owner = "pganalyze";
     repo = "libpg_query";
     tag = finalAttrs.version;
-    hash = "sha256-UXba2WYyIO7RcFcNZeLL+Q9CwlloMZ5oFfHfL7+j4dU=";
+    hash = "sha256-Fs9SFs8ramKYdkv1gEOMJd9SnLmKDcbf+zYKv1hHBfc=";
   };
 
   nativeBuildInputs = [ which ];