diff --git a/pkgs/development/python-modules/zope_filerepresentation/default.nix b/pkgs/development/python-modules/zope_filerepresentation/default.nix
index 82a981402eb..635727a1173 100644
--- a/pkgs/development/python-modules/zope_filerepresentation/default.nix
+++ b/pkgs/development/python-modules/zope_filerepresentation/default.nix
@@ -2,6 +2,7 @@
 , buildPythonPackage
 , fetchPypi
 , zope_schema
+, zope_interface
 }:
 
 buildPythonPackage rec {
@@ -10,10 +11,14 @@ buildPythonPackage rec {
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "3fbca4730c871d8e37b9730763c42b69ba44117cf6d0848014495bb301cae2d6";
+    sha256 = "1mp2r80v6ns92j089l7ngh8l9fk95g2661vkp4vqw7c71irs9g1z";
   };
 
-  propagatedBuildInputs = [ zope_schema ];
+  propagatedBuildInputs = [ zope_interface zope_schema ];
+
+  checkPhase = ''
+    cd src/zope/filerepresentation && python -m unittest
+  '';
 
   meta = with stdenv.lib; {
     homepage = "https://zopefilerepresentation.readthedocs.io/";