diff --git a/.github/workflows/wheels-dependencies.sh b/.github/workflows/wheels-dependencies.sh
index 4e0fad79f..e89db5020 100755
--- a/.github/workflows/wheels-dependencies.sh
+++ b/.github/workflows/wheels-dependencies.sh
@@ -50,7 +50,7 @@ if [[ -n "$IS_MACOS" ]]; then
 else
     GIFLIB_VERSION=5.2.1
 fi
-ZLIB_NG_VERSION=2.2.2
+ZLIB_NG_VERSION=2.2.3
 LIBWEBP_VERSION=1.5.0
 BZIP2_VERSION=1.0.8
 LIBXCB_VERSION=1.17.0
diff --git a/winbuild/build_prepare.py b/winbuild/build_prepare.py
index 0674a9a15..75d6aa1bd 100644
--- a/winbuild/build_prepare.py
+++ b/winbuild/build_prepare.py
@@ -121,7 +121,7 @@ V = {
     "OPENJPEG": "2.5.3",
     "TIFF": "4.6.0",
     "XZ": "5.6.3",
-    "ZLIBNG": "2.2.2",
+    "ZLIBNG": "2.2.3",
 }
 V["LIBPNG_DOTLESS"] = V["LIBPNG"].replace(".", "")
 V["LIBPNG_XY"] = "".join(V["LIBPNG"].split(".")[:2])