diff --git a/pkgs/development/python-modules/flax/default.nix b/pkgs/development/python-modules/flax/default.nix
index 97f2c3c3862e..1cd68790479f 100644
--- a/pkgs/development/python-modules/flax/default.nix
+++ b/pkgs/development/python-modules/flax/default.nix
@@ -45,6 +45,7 @@ buildPythonPackage rec {
 
   pytestFlagsArray = [
     "-W ignore::FutureWarning"
+    "-W ignore::DeprecationWarning"
   ];
 
   disabledTestPaths = [