diff --git a/Formula/lib/libpng.rb b/Formula/lib/libpng.rb
index fa7b1c21dbfd6..9e0ca23f994ea 100644
--- a/Formula/lib/libpng.rb
+++ b/Formula/lib/libpng.rb
@@ -1,9 +1,9 @@
 class Libpng < Formula
   desc "Library for manipulating PNG images"
   homepage "http://www.libpng.org/pub/png/libpng.html"
-  url "https://downloads.sourceforge.net/project/libpng/libpng16/1.6.44/libpng-1.6.44.tar.xz"
-  mirror "https://sourceforge.mirrorservice.org/l/li/libpng/libpng16/1.6.44/libpng-1.6.44.tar.xz"
-  sha256 "60c4da1d5b7f0aa8d158da48e8f8afa9773c1c8baa5d21974df61f1886b8ce8e"
+  url "https://downloads.sourceforge.net/project/libpng/libpng16/1.6.45/libpng-1.6.45.tar.xz"
+  mirror "https://sourceforge.mirrorservice.org/l/li/libpng/libpng16/1.6.45/libpng-1.6.45.tar.xz"
+  sha256 "926485350139ffb51ef69760db35f78846c805fef3d59bfdcb2fba704663f370"
   license "libpng-2.0"
 
   livecheck do
@@ -12,12 +12,12 @@ class Libpng < Formula
   end
 
   bottle do
-    sha256 cellar: :any,                 arm64_sequoia: "97e7780fa459489f57043430f53660e81c4bab4c0bd30b3c021ff8e1d1ae27ea"
-    sha256 cellar: :any,                 arm64_sonoma:  "04c7ef0bb97718b8388e93e0e0f6a3e361da422b7f63f2a1f2bbb8ddb92da119"
-    sha256 cellar: :any,                 arm64_ventura: "f17614f1c903db5ce208c3f78c3181377f121801fbeec50a53920591f0de4d34"
-    sha256 cellar: :any,                 sonoma:        "3867ac12f43852e8e4b028b7cfbae1c7bbc2a4e3c36e7d7a7b1690c40392fd6d"
-    sha256 cellar: :any,                 ventura:       "68f13a9e3ee84c0c50cb7d6d9d06a65287b3dcbc3baeb42ee7d2bcc1884a73d9"
-    sha256 cellar: :any_skip_relocation, x86_64_linux:  "cf958f9647a35c402c463e78273a1bcd6e0dac715c1e949b03e876f2224d51e4"
+    sha256 cellar: :any,                 arm64_sequoia: "2d9fddec7ff85ea205bf37bcba29116f37b581da9eb90c5bb8beda489f7d6105"
+    sha256 cellar: :any,                 arm64_sonoma:  "ceae05fe7def37733cece3f2e459a06ca2dd11b13a70fbd0cc024e3839f743a4"
+    sha256 cellar: :any,                 arm64_ventura: "b5d796dfbbc23b292221eb2d5b561bb916d1994c90f788e9049ffe32ef5d27f9"
+    sha256 cellar: :any,                 sonoma:        "c296b3b866794ded0c5f87964ebe637ad8904d04c45972f1a1867afd4b37e289"
+    sha256 cellar: :any,                 ventura:       "0a59a94ee138a9903a2cf0f7a06b448d267647f245dec672ae56c92d27fd6951"
+    sha256 cellar: :any_skip_relocation, x86_64_linux:  "7d313004e4148066ac5c5f78cd7aafa15737103d8ec59297e8fed2c5c417755d"
   end
 
   head do