diff --git a/.github/workflows/wheels-dependencies.sh b/.github/workflows/wheels-dependencies.sh
index d761d93b6..4f0011c8c 100755
--- a/.github/workflows/wheels-dependencies.sh
+++ b/.github/workflows/wheels-dependencies.sh
@@ -95,7 +95,7 @@ ARCHIVE_SDIR=pillow-depends-main
 # you change those versions, ensure the patch is also updated.
 FREETYPE_VERSION=2.13.3
 HARFBUZZ_VERSION=11.2.1
-LIBPNG_VERSION=1.6.49
+LIBPNG_VERSION=1.6.50
 JPEGTURBO_VERSION=3.1.1
 OPENJPEG_VERSION=2.5.3
 XZ_VERSION=5.8.1
diff --git a/winbuild/build_prepare.py b/winbuild/build_prepare.py
index 187d07b20..a4acc666b 100644
--- a/winbuild/build_prepare.py
+++ b/winbuild/build_prepare.py
@@ -121,7 +121,7 @@ V = {
     "LCMS2": "2.17",
     "LIBAVIF": "1.3.0",
     "LIBIMAGEQUANT": "4.3.4",
-    "LIBPNG": "1.6.49",
+    "LIBPNG": "1.6.50",
     "LIBWEBP": "1.5.0",
     "OPENJPEG": "2.5.3",
     "TIFF": "4.7.0",