diff --git a/pkgs/by-name/gi/gittyup/0001-Fix-incorrect-order-of-argument-to-calloc-345.patch b/pkgs/by-name/gi/gittyup/0001-Fix-incorrect-order-of-argument-to-calloc-345.patch
deleted file mode 100644
index 58431871e7e4..000000000000
--- a/pkgs/by-name/gi/gittyup/0001-Fix-incorrect-order-of-argument-to-calloc-345.patch
+++ /dev/null
@@ -1,25 +0,0 @@
-From 687b5424128fd637555be4a0d18c72c4e870bd6f Mon Sep 17 00:00:00 2001
-From: Alfie <30699769+AHSauge@users.noreply.github.com>
-Date: Sat, 11 May 2024 13:11:08 +0200
-Subject: [PATCH] Fix incorrect order of argument to calloc (#345)
-
----
- src/zip.c | 2 +-
- 1 file changed, 1 insertion(+), 1 deletion(-)
-
-diff --git a/src/zip.c b/src/zip.c
-index b14f9e3..a7e5ef8 100644
---- a/test/dep/zip/src/zip.c
-+++ b/test/dep/zip/src/zip.c
-@@ -1874,7 +1874,7 @@ ssize_t zip_stream_copy(struct zip_t *zip, void **buf, size_t *bufsize) {
-     *bufsize = n;
-   }
- 
--  *buf = calloc(sizeof(unsigned char), n);
-+  *buf = calloc(n, sizeof(unsigned char));
-   memcpy(*buf, zip->archive.m_pState->m_pMem, n);
- 
-   return (ssize_t)n;
--- 
-2.47.0
-
diff --git a/pkgs/by-name/gi/gittyup/package.nix b/pkgs/by-name/gi/gittyup/package.nix
index c9eb5640288e..92e92539c16c 100644
--- a/pkgs/by-name/gi/gittyup/package.nix
+++ b/pkgs/by-name/gi/gittyup/package.nix
@@ -11,27 +11,21 @@
   ninja,
   openssl,
   pkg-config,
-  libsForQt5,
+  qt6,
 }:
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "gittyup";
-  version = "1.4.0";
+  version = "2.0.0";
 
   src = fetchFromGitHub {
     owner = "Murmele";
     repo = "Gittyup";
     rev = "gittyup_v${finalAttrs.version}";
-    hash = "sha256-anyjHSF0ZCBJTuqNdH49iwngt3zeJZat5XGDsKbiwPE=";
+    hash = "sha256-A4+t0glZC8vi+E3+WcTMZ0cdUhHaZZrcP2MGPk45X0g=";
     fetchSubmodules = true;
   };
 
-  patches = [
-    # Fix GCC 14 build error (remove for next update)
-    # https://github.com/Murmele/Gittyup/pull/759
-    ./0001-Fix-incorrect-order-of-argument-to-calloc-345.patch
-  ];
-
   cmakeFlags =
     let
       inherit (lib) cmakeBool;
@@ -54,7 +48,7 @@ stdenv.mkDerivation (finalAttrs: {
     cmark
     ninja
     pkg-config
-    libsForQt5.wrapQtAppsHook
+    qt6.wrapQtAppsHook
   ];
 
   buildInputs = [
@@ -64,8 +58,8 @@ stdenv.mkDerivation (finalAttrs: {
     libssh2
     lua5_4
     openssl
-    libsForQt5.qtbase
-    libsForQt5.qttools
+    qt6.qtbase
+    qt6.qttools
   ];
 
   postInstall = ''