diff --git a/gnu/packages/python-xyz.scm b/gnu/packages/python-xyz.scm
index 3a47b5094c..769ab8a337 100644
--- a/gnu/packages/python-xyz.scm
+++ b/gnu/packages/python-xyz.scm
@@ -29291,7 +29291,10 @@ (define-public python-zarr
               ;; This tests are flaky.  The pass several times on my laptop
               ;; but occasionally fail.  They fail pretty reliably on the
               ;; build farm.
-              "-k not test_lazy_loader and not open_array")
+              "-k" (string-append "not test_lazy_loader and not open_array"
+                                  ;; TODO: remove this on python-team branch.
+                                  ;; This only fails on the master branch.
+                                  " and not test_encode_decode_array_dtype_shape_v3"))
       #:phases
       #~(modify-phases %standard-phases
           (add-before 'build 'set-version