diff --git a/pkgs/by-name/ch/chiaki/package.nix b/pkgs/by-name/ch/chiaki/package.nix
index 39720c826f2e..c654d1707bcd 100644
--- a/pkgs/by-name/ch/chiaki/package.nix
+++ b/pkgs/by-name/ch/chiaki/package.nix
@@ -4,7 +4,7 @@
   fetchgit,
   cmake,
   pkg-config,
-  ffmpeg_7,
+  ffmpeg,
   libopus,
   SDL2,
   libevdev,
@@ -15,13 +15,13 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "chiaki";
-  version = "2.2.0";
+  version = "2.2.0-unstable-2026-01-04";
 
   src = fetchgit {
     url = "https://git.sr.ht/~thestr4ng3r/chiaki";
-    tag = "v${finalAttrs.version}";
+    rev = "ab55cf4c95f7723faae08a546fbe14e0f6bddf45";
     fetchSubmodules = true;
-    hash = "sha256-mLx2ygMlIuDJt9iT4nIj/dcLGjMvvmneKd49L7C3BQk=";
+    hash = "sha256-GYhbq3QCyykMu5K1ITJ+XqNU593Gn3eBTM9coKmh/Vk=";
   };
 
   nativeBuildInputs = [
@@ -30,14 +30,8 @@ stdenv.mkDerivation (finalAttrs: {
     libsForQt5.wrapQtAppsHook
   ];
 
-  postPatch = ''
-    substituteInPlace CMakeLists.txt --replace-fail \
-    'cmake_minimum_required(VERSION 3.2)' \
-    'cmake_minimum_required(VERSION 3.5)'
-  '';
-
   buildInputs = [
-    ffmpeg_7 # needs avcodec_close which was removed in ffmpeg 8
+    ffmpeg
     libopus
     libsForQt5.qtbase
     libsForQt5.qtmultimedia