From 86b8e1e45fa1d425aafa444024003eb3b75d8a9d Mon Sep 17 00:00:00 2001
From: Andrew Murray <radarhere@users.noreply.github.com>
Date: Wed, 8 Jan 2025 10:19:09 +1100
Subject: [PATCH 1/2] Updated libpng to 1.6.45

---
 .github/workflows/wheels-dependencies.sh | 2 +-
 winbuild/build_prepare.py                | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/wheels-dependencies.sh b/.github/workflows/wheels-dependencies.sh
index 58621bca1..410255b7e 100755
--- a/.github/workflows/wheels-dependencies.sh
+++ b/.github/workflows/wheels-dependencies.sh
@@ -39,7 +39,7 @@ ARCHIVE_SDIR=pillow-depends-main
 # Package versions for fresh source builds
 FREETYPE_VERSION=2.13.3
 HARFBUZZ_VERSION=10.1.0
-LIBPNG_VERSION=1.6.44
+LIBPNG_VERSION=1.6.45
 JPEGTURBO_VERSION=3.1.0
 OPENJPEG_VERSION=2.5.3
 XZ_VERSION=5.6.3
diff --git a/winbuild/build_prepare.py b/winbuild/build_prepare.py
index 75d6aa1bd..912579ce7 100644
--- a/winbuild/build_prepare.py
+++ b/winbuild/build_prepare.py
@@ -116,7 +116,7 @@ V = {
     "HARFBUZZ": "10.1.0",
     "JPEGTURBO": "3.1.0",
     "LCMS2": "2.16",
-    "LIBPNG": "1.6.44",
+    "LIBPNG": "1.6.45",
     "LIBWEBP": "1.5.0",
     "OPENJPEG": "2.5.3",
     "TIFF": "4.6.0",

From ee2b8c525632f76bde730805d11d19bbb22f1b2b Mon Sep 17 00:00:00 2001
From: Andrew Murray <radarhere@users.noreply.github.com>
Date: Wed, 8 Jan 2025 10:26:21 +1100
Subject: [PATCH 2/2] Switch to .tar.gz for libpng

---
 winbuild/build_prepare.py | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/winbuild/build_prepare.py b/winbuild/build_prepare.py
index 912579ce7..b9695d1d8 100644
--- a/winbuild/build_prepare.py
+++ b/winbuild/build_prepare.py
@@ -123,7 +123,6 @@ V = {
     "XZ": "5.6.3",
     "ZLIBNG": "2.2.3",
 }
-V["LIBPNG_DOTLESS"] = V["LIBPNG"].replace(".", "")
 V["LIBPNG_XY"] = "".join(V["LIBPNG"].split(".")[:2])
 
 
@@ -241,8 +240,8 @@ DEPS: dict[str, dict[str, Any]] = {
     },
     "libpng": {
         "url": f"{SF_PROJECTS}/libpng/files/libpng{V['LIBPNG_XY']}/{V['LIBPNG']}/"
-        f"lpng{V['LIBPNG_DOTLESS']}.zip/download",
-        "filename": f"lpng{V['LIBPNG_DOTLESS']}.zip",
+        f"FILENAME/download",
+        "filename": f"libpng-{V['LIBPNG']}.tar.gz",
         "license": "LICENSE",
         "build": [
             *cmds_cmake("png_static", "-DPNG_SHARED:BOOL=OFF", "-DPNG_TESTS:BOOL=OFF"),