diff --git a/pkgs/development/python-modules/pims/default.nix b/pkgs/development/python-modules/pims/default.nix
index d11cebd4e785..85a867ec5118 100644
--- a/pkgs/development/python-modules/pims/default.nix
+++ b/pkgs/development/python-modules/pims/default.nix
@@ -38,6 +38,11 @@ buildPythonPackage rec {
     "pims"
   ];
 
+  pytestFlagsArray = [
+    "-W"
+    "ignore::DeprecationWarning"
+  ];
+
   disabledTests = [
     # NotImplementedError: Do not know how to deal with infinite readers
     "TestVideo_ImageIO"