diff --git a/pkgs/by-name/gi/git-sim/package.nix b/pkgs/by-name/gi/git-sim/package.nix
index 093a54006f7a..9fe4ab882feb 100644
--- a/pkgs/by-name/gi/git-sim/package.nix
+++ b/pkgs/by-name/gi/git-sim/package.nix
@@ -3,7 +3,7 @@
   stdenv,
   fetchFromGitHub,
   installShellFiles,
-  python312,
+  python3,
 
   # Override Python packages using
   # self: super: { pkg = super.pkg.overridePythonAttrs (oldAttrs: { ... }); }
@@ -13,21 +13,11 @@
 let
   defaultOverrides = [
     (self: super: {
-      av = (
-        super.av.overridePythonAttrs rec {
-          version = "13.1.0";
-          src = fetchFromGitHub {
-            owner = "PyAV-Org";
-            repo = "PyAV";
-            tag = "v${version}";
-            hash = "sha256-x2a9SC4uRplC6p0cD7fZcepFpRidbr6JJEEOaGSWl60=";
-          };
-        }
-      );
+      av = self.av_13;
     })
   ];
 
-  python = python312.override {
+  python = python3.override {
     self = python;
     packageOverrides = lib.composeManyExtensions (defaultOverrides ++ [ packageOverrides ]);
   };
diff --git a/pkgs/by-name/ma/manim-slides/package.nix b/pkgs/by-name/ma/manim-slides/package.nix
new file mode 100644
index 000000000000..ec66070ce3e4
--- /dev/null
+++ b/pkgs/by-name/ma/manim-slides/package.nix
@@ -0,0 +1,14 @@
+{
+  python3Packages,
+}:
+
+let
+  pythonPackages = python3Packages.overrideScope (
+    self: super: {
+      av = self.av_13;
+    }
+  );
+in
+(pythonPackages.toPythonApplication pythonPackages.manim-slides).overridePythonAttrs (oldAttrs: {
+  dependencies = oldAttrs.dependencies ++ oldAttrs.optional-dependencies.pyqt6-full;
+})
diff --git a/pkgs/by-name/ma/manim/package.nix b/pkgs/by-name/ma/manim/package.nix
new file mode 100644
index 000000000000..631cbbf2ffeb
--- /dev/null
+++ b/pkgs/by-name/ma/manim/package.nix
@@ -0,0 +1,12 @@
+{
+  python3Packages,
+}:
+
+let
+  pythonPackages = python3Packages.overrideScope (
+    self: super: {
+      av = self.av_13;
+    }
+  );
+in
+pythonPackages.toPythonApplication pythonPackages.manim
diff --git a/pkgs/development/python-modules/av_13/default.nix b/pkgs/development/python-modules/av_13/default.nix
new file mode 100644
index 000000000000..333aee52270c
--- /dev/null
+++ b/pkgs/development/python-modules/av_13/default.nix
@@ -0,0 +1,90 @@
+{
+  buildPythonPackage,
+  cython,
+  fetchFromGitHub,
+  fetchurl,
+  ffmpeg_7-headless,
+  lib,
+  linkFarm,
+  numpy,
+  pillow,
+  pkg-config,
+  pytestCheckHook,
+  setuptools,
+}:
+
+buildPythonPackage rec {
+  pname = "av";
+  version = "13.1.0";
+  pyproject = true;
+
+  src = fetchFromGitHub {
+    owner = "PyAV-Org";
+    repo = "PyAV";
+    tag = "v${version}";
+    hash = "sha256-x2a9SC4uRplC6p0cD7fZcepFpRidbr6JJEEOaGSWl60=";
+  };
+
+  build-system = [
+    cython
+    setuptools
+  ];
+
+  nativeBuildInputs = [ pkg-config ];
+
+  buildInputs = [ ffmpeg_7-headless ];
+
+  preCheck =
+    let
+      testSamples = linkFarm "pyav-test-samples" (
+        lib.mapAttrs (_: fetchurl) (lib.importTOML ../av/test-samples.toml)
+      );
+    in
+    ''
+      # ensure we import the built version
+      rm -r av
+      ln -s ${testSamples} tests/assets
+    '';
+
+  nativeCheckInputs = [
+    numpy
+    pillow
+    pytestCheckHook
+  ];
+
+  __darwinAllowLocalNetworking = true;
+
+  pythonImportsCheck = [
+    "av"
+    "av.audio"
+    "av.buffer"
+    "av.bytesource"
+    "av.codec"
+    "av.container"
+    "av._core"
+    "av.datasets"
+    "av.descriptor"
+    "av.dictionary"
+    "av.error"
+    "av.filter"
+    "av.format"
+    "av.frame"
+    "av.logging"
+    "av.option"
+    "av.packet"
+    "av.plane"
+    "av.stream"
+    "av.subtitles"
+    "av.utils"
+    "av.video"
+  ];
+
+  meta = {
+    changelog = "https://github.com/PyAV-Org/PyAV/blob/${src.tag}/CHANGELOG.rst";
+    description = "Pythonic bindings for FFmpeg";
+    homepage = "https://github.com/PyAV-Org/PyAV";
+    license = lib.licenses.bsd2;
+    mainProgram = "pyav";
+    maintainers = [ lib.maintainers.dotlambda ];
+  };
+}
diff --git a/pkgs/development/python-modules/manim/default.nix b/pkgs/development/python-modules/manim/default.nix
index 67d820774f35..04d864118ac3 100644
--- a/pkgs/development/python-modules/manim/default.nix
+++ b/pkgs/development/python-modules/manim/default.nix
@@ -183,16 +183,6 @@ let
       cbfonts-fd
     ]
   );
-  # https://github.com/ManimCommunity/manim/pull/4037
-  av_13_1 = av.overridePythonAttrs rec {
-    version = "13.1.0";
-    src = fetchFromGitHub {
-      owner = "PyAV-Org";
-      repo = "PyAV";
-      tag = "v${version}";
-      hash = "sha256-x2a9SC4uRplC6p0cD7fZcepFpRidbr6JJEEOaGSWl60=";
-    };
-  };
 in
 buildPythonPackage rec {
   pname = "manim";
@@ -216,7 +206,7 @@ buildPythonPackage rec {
   buildInputs = [ cairo ];
 
   dependencies = [
-    av_13_1
+    av
     beautifulsoup4
     click
     cloup
@@ -278,6 +268,8 @@ buildPythonPackage rec {
   pythonImportsCheck = [ "manim" ];
 
   meta = {
+    # https://github.com/ManimCommunity/manim/pull/4037
+    broken = lib.versionAtLeast av.version "14";
     description = "Animation engine for explanatory math videos - Community version";
     longDescription = ''
       Manim is an animation engine for explanatory math videos. It's used to
diff --git a/pkgs/servers/home-assistant/default.nix b/pkgs/servers/home-assistant/default.nix
index 9c1d9c3c137a..f215353f88d9 100644
--- a/pkgs/servers/home-assistant/default.nix
+++ b/pkgs/servers/home-assistant/default.nix
@@ -86,15 +86,7 @@ let
         ];
       });
 
-      av = (super.av.override { ffmpeg-headless = ffmpeg_7-headless; }).overridePythonAttrs rec {
-        version = "13.1.0";
-        src = fetchFromGitHub {
-          owner = "PyAV-Org";
-          repo = "PyAV";
-          tag = "v${version}";
-          hash = "sha256-x2a9SC4uRplC6p0cD7fZcepFpRidbr6JJEEOaGSWl60=";
-        };
-      };
+      av = self.av_13;
 
       imageio = super.imageio.overridePythonAttrs (oldAttrs: {
         disabledTests = oldAttrs.disabledTests or [ ] ++ [
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 17c0f242d5f6..a85ec234fe20 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -11155,14 +11155,6 @@ with pkgs;
 
   m32edit = callPackage ../applications/audio/midas/m32edit.nix { };
 
-  manim = python3Packages.toPythonApplication python3Packages.manim;
-
-  manim-slides =
-    (python3Packages.toPythonApplication python3Packages.manim-slides).overridePythonAttrs
-      (oldAttrs: {
-        dependencies = oldAttrs.dependencies ++ oldAttrs.optional-dependencies.pyqt6-full;
-      });
-
   manuskript = libsForQt5.callPackage ../applications/editors/manuskript { };
 
   minari = python3Packages.toPythonApplication python3Packages.minari;
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 2ed3ff60c787..707aae3656e9 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -1208,6 +1208,8 @@ self: super: with self; {
 
   av = callPackage ../development/python-modules/av { };
 
+  av_13 = callPackage ../development/python-modules/av_13 { };
+
   avahi = toPythonModule (
     pkgs.avahi.override {
       inherit python;