diff --git a/gnu/packages/python-xyz.scm b/gnu/packages/python-xyz.scm
index 0546e2653ac..51447aae615 100644
--- a/gnu/packages/python-xyz.scm
+++ b/gnu/packages/python-xyz.scm
@@ -36486,9 +36486,11 @@ needed and registers the function with its annotations.")
        (sha256
         (base32 "1kvhvf1p9a5733pqb15k4fhwrfnj5ijsv6yn92mxzaa0zh89z7g3"))))
     (build-system pyproject-build-system)
-    (native-inputs (list python-setuptools python-wheel))
-    (propagated-inputs
-     (list python-multipledispatch python-toolz))
+    (native-inputs (list python-pytest
+                         python-pytest-benchmark
+                         python-setuptools
+                         python-wheel))
+    (propagated-inputs (list python-multipledispatch python-toolz))
     (home-page "https://github.com/pythological/unification/")
     (synopsis "Logical unification in Python for solving symbolic expressions")
     (description "This library provides algorithms and data types for solving