diff --git a/pkgs/development/python-modules/faster-whisper/default.nix b/pkgs/development/python-modules/faster-whisper/default.nix
index 8dff7f5a3944..0032e20ec3cf 100644
--- a/pkgs/development/python-modules/faster-whisper/default.nix
+++ b/pkgs/development/python-modules/faster-whisper/default.nix
@@ -33,7 +33,10 @@ buildPythonPackage rec {
     setuptools
   ];
 
-  pythonRelaxDeps = [ "tokenizers" ];
+  pythonRelaxDeps = [
+    "av"
+    "tokenizers"
+  ];
 
   dependencies = [
     av