diff --git a/pkgs/by-name/pg/pgformatter/package.nix b/pkgs/by-name/pg/pgformatter/package.nix
index 0f3547ed42c7..8ee301ef4dfa 100644
--- a/pkgs/by-name/pg/pgformatter/package.nix
+++ b/pkgs/by-name/pg/pgformatter/package.nix
@@ -3,19 +3,18 @@
   stdenv,
   perlPackages,
   fetchFromGitHub,
-  fetchpatch,
   shortenPerlShebang,
 }:
 
 perlPackages.buildPerlPackage rec {
   pname = "pgformatter";
-  version = "5.5";
+  version = "5.6";
 
   src = fetchFromGitHub {
     owner = "darold";
     repo = "pgFormatter";
     rev = "v${version}";
-    hash = "sha256-4KtrsckO9Q9H0yIM0877YvWaDW02CQVAQiOKD919e9w=";
+    hash = "sha256-EJLAP1uBmWxWEsdLJYTuViMv4o0iEi2fqy79ixyRijU=";
   };
 
   outputs = [ "out" ];
@@ -25,14 +24,6 @@ perlPackages.buildPerlPackage rec {
   # Avoid creating perllocal.pod, which contains a timestamp
   installTargets = [ "pure_install" ];
 
-  patches = [
-    # Fix an uninitialized variable error. Remove with the next release.
-    (fetchpatch {
-      url = "https://github.com/darold/pgFormatter/commit/c2622c47d48cee47effecbf58a588c3cd3a7bf1a.patch";
-      sha256 = "sha256-WnQIOvfuzL2HrwtL0HaaYObrBxhXDu82jxGcqggQVhc=";
-    })
-  ];
-
   # Makefile.PL only accepts DESTDIR and INSTALLDIRS, but we need to set more to make this work for NixOS.
   patchPhase = ''
     substituteInPlace pg_format \