diff --git a/Ports/AvailablePorts.md b/Ports/AvailablePorts.md
index d782e1da29..0ad2f3ebb1 100644
--- a/Ports/AvailablePorts.md
+++ b/Ports/AvailablePorts.md
@@ -318,6 +318,6 @@ This list is also available at [ports.serenityos.net](https://ports.serenityos.n
 | [`xz`](xz/)                                         | xz                                                              | 5.2.5                     | https://tukaani.org/xz/                                                        |
 | [`yasm`](yasm/)                                     | Yasm Modular Assembler                                          | 1.3.0                     | https://yasm.tortall.net/                                                      |
 | [`zig`](zig/)                                       | Zig programming language                                        | 0.11.0-dev.4003+c6aa29b6f | https://ziglang.org/                                                           |
-| [`zlib`](zlib/)                                     | zlib                                                            | 1.2.13                    | https://www.zlib.net/                                                          |
+| [`zlib`](zlib/)                                     | zlib                                                            | 1.3                       | https://www.zlib.net/                                                          |
 | [`zsh`](zsh/)                                       | Z Shell (Zsh)                                                   | 5.9                       | https://www.zsh.org                                                            |
 | [`zstd`](zstd/)                                     | Zstandard                                                       | 1.5.2                     | https://facebook.github.io/zstd/                                               |
diff --git a/Ports/zlib/package.sh b/Ports/zlib/package.sh
index 6984e5d76b..f87da98f28 100755
--- a/Ports/zlib/package.sh
+++ b/Ports/zlib/package.sh
@@ -1,9 +1,9 @@
 #!/usr/bin/env -S bash ../.port_include.sh
-port=zlib
-version=1.2.13
-useconfigure=true
+port='zlib'
+version='1.3'
+useconfigure='true'
 files=(
-    "https://www.zlib.net/zlib-${version}.tar.gz b3a24de97a8fdbc835b9833169501030b8977031bcb54b3b3ac13740f846ab30"
+    "https://www.zlib.net/zlib-${version}.tar.gz ff0ba4c292013dbc27530b3a81e1f9a813cd39de01ca5e0f8bf355702efa593e"
 )
 
 configure() {