diff --git a/pkgs/development/python-modules/pytest-httpbin/default.nix b/pkgs/development/python-modules/pytest-httpbin/default.nix
index caa2c27e3f85..cfa24fdfe528 100644
--- a/pkgs/development/python-modules/pytest-httpbin/default.nix
+++ b/pkgs/development/python-modules/pytest-httpbin/default.nix
@@ -24,6 +24,10 @@ buildPythonPackage rec {
 
   propagatedBuildInputs = [ flask decorator httpbin six requests ];
 
+  checkPhase = ''
+    py.test
+  '';
+
   meta = {
     description = "Easily test your HTTP library against a local copy of httpbin.org";
     homepage = https://github.com/kevin1024/pytest-httpbin;