diff --git a/pkgs/by-name/gi/giflib/CVE-2021-40633.patch b/pkgs/by-name/gi/giflib/CVE-2021-40633.patch
deleted file mode 100644
index 8a665bb1638b..000000000000
--- a/pkgs/by-name/gi/giflib/CVE-2021-40633.patch
+++ /dev/null
@@ -1,26 +0,0 @@
-From ccbc956432650734c91acb3fc88837f7b81267ff Mon Sep 17 00:00:00 2001
-From: "Eric S. Raymond" <esr@thyrsus.com>
-Date: Wed, 21 Feb 2024 18:55:00 -0500
-Subject: [PATCH] Clean up memory better at end of run (CVE-2021-40633)
-
----
- gif2rgb.c | 3 +++
- 1 file changed, 3 insertions(+)
-
-diff --git a/gif2rgb.c b/gif2rgb.c
-index d51226d..fc2e683 100644
---- a/gif2rgb.c
-+++ b/gif2rgb.c
-@@ -517,6 +517,9 @@ static void GIF2RGB(int NumFiles, char *FileName, bool OneFileFlag,
- 	DumpScreen2RGB(OutFileName, OneFileFlag, ColorMap, ScreenBuffer,
- 	               GifFile->SWidth, GifFile->SHeight);
- 
-+	for (i = 0; i < GifFile->SHeight; i++) {
-+        	(void)free(ScreenBuffer[i]);
-+	}
- 	(void)free(ScreenBuffer);
- 
- 	{
--- 
-2.44.0
-
diff --git a/pkgs/by-name/gi/giflib/CVE-2025-31344.patch b/pkgs/by-name/gi/giflib/CVE-2025-31344.patch
deleted file mode 100644
index 04ef6c3ba755..000000000000
--- a/pkgs/by-name/gi/giflib/CVE-2025-31344.patch
+++ /dev/null
@@ -1,15 +0,0 @@
-diff -up giflib-5.2.2/gif2rgb.c.omv~ giflib-5.2.2/gif2rgb.c
---- giflib-5.2.2/gif2rgb.c.omv~	2025-04-07 21:44:54.956355983 +0200
-+++ giflib-5.2.2/gif2rgb.c	2025-04-07 21:45:29.630769589 +0200
-@@ -329,6 +329,11 @@ static void DumpScreen2RGB(char *FileNam
- 			GifRow = ScreenBuffer[i];
- 			GifQprintf("\b\b\b\b%-4d", ScreenHeight - i);
- 			for (j = 0; j < ScreenWidth; j++) {
-+				/* Check if color is within color palete */
-+				if (GifRow[j] >= ColorMap->ColorCount) {
-+					GIF_EXIT(GifErrorString(
-+					    D_GIF_ERR_IMAGE_DEFECT));
-+				}
- 				ColorMapEntry = &ColorMap->Colors[GifRow[j]];
- 				Buffers[0][j] = ColorMapEntry->Red;
- 				Buffers[1][j] = ColorMapEntry->Green;
diff --git a/pkgs/by-name/gi/giflib/package.nix b/pkgs/by-name/gi/giflib/package.nix
index 579cbd5a3e3c..b2142aa2869f 100644
--- a/pkgs/by-name/gi/giflib/package.nix
+++ b/pkgs/by-name/gi/giflib/package.nix
@@ -3,21 +3,30 @@
   lib,
   fetchurl,
   fixDarwinDylibNames,
+
+  # for passthru.tests
+  SDL2_image,
+  SDL_image,
+  gdal,
+  imlib2,
+  leptonica,
+  libjxl,
+  libwebp,
+  openimageio,
+  openjdk,
   pkgsStatic,
 }:
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "giflib";
-  version = "5.2.2";
+  version = "6.1.3";
 
   src = fetchurl {
     url = "mirror://sourceforge/giflib/giflib-${finalAttrs.version}.tar.gz";
-    hash = "sha256-vn/70FfK3r4qoURUL9kMaDjGoIO16KkEi47jtmsp1fs=";
+    hash = "sha256-tltmuZ8EJLk1JfmHOG8i/F77naK/ySrUpTIkmq/7qw4=";
   };
 
   patches = [
-    ./CVE-2021-40633.patch
-    ./CVE-2025-31344.patch
   ]
   ++ lib.optionals stdenv.hostPlatform.isMinGW [
     # Build dll libraries.
@@ -54,6 +63,16 @@ stdenv.mkDerivation (finalAttrs: {
 
   passthru.tests = {
     static = pkgsStatic.giflib;
+    inherit
+      SDL2_image
+      SDL_image
+      gdal
+      imlib2
+      leptonica
+      libjxl
+      openimageio
+      openjdk
+      ;
   };
 
   meta = {