diff --git a/flake.nix b/flake.nix
index ffde5e2e..ee789bb3 100644
--- a/flake.nix
+++ b/flake.nix
@@ -32,7 +32,7 @@
       perSystem =
         { pkgs, ... }:
         let
-          python3 = pkgs.python312;
+          python3 = pkgs.python313;
         in
         {
           packages =
diff --git a/nix/package/default.nix b/nix/package/default.nix
index b609e5f9..080e9ee0 100644
--- a/nix/package/default.nix
+++ b/nix/package/default.nix
@@ -95,6 +95,7 @@ python3Packages.buildPythonApplication {
   dependencies =
     with python3Packages;
     [
+      audioop-lts
       chardet
       ffmpeg-python
       humanfriendly
diff --git a/pyproject.toml b/pyproject.toml
index 3649e620..610af9a9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -12,8 +12,9 @@ description = "A User-Focused Photo & File Management System."
 version = "9.5.7"
 license = "GPL-3.0-only"
 readme = "README.md"
-requires-python = ">=3.12,<3.13"
+requires-python = ">=3.12,<3.14"
 dependencies = [
+    "audioop-lts; python_version >= '3.13'",
     "chardet~=5.2",
     "ffmpeg-python~=0.2",
     "humanfriendly==10.*",