diff --git a/gnu/packages/python-xyz.scm b/gnu/packages/python-xyz.scm
index ce9d27e4326..238c75db0bc 100644
--- a/gnu/packages/python-xyz.scm
+++ b/gnu/packages/python-xyz.scm
@@ -7,7 +7,7 @@
 ;;; Copyright © 2014, 2015 Federico Beffa <beffa@fbengineering.ch>
 ;;; Copyright © 2015 Omar Radwan <toxemicsquire4@gmail.com>
 ;;; Copyright © 2015 Pierre-Antoine Rault <par@rigelk.eu>
-;;; Copyright © 2015-2025 Ricardo Wurmus <rekado@elephly.net>
+;;; Copyright © 2015-2026 Ricardo Wurmus <rekado@elephly.net>
 ;;; Copyright © 2015, 2016, 2020 Christine Lemmer-Webber <cwebber@dustycloud.org>
 ;;; Copyright © 2015 Eric Dvorsak <eric@dvorsak.fr>
 ;;; Copyright © 2015, 2016 David Thompson <davet@gnu.org>
@@ -15896,6 +15896,8 @@ tie-resolvement is accelerated by numba.")
     (build-system pyproject-build-system)
     (arguments
      (list
+      #:test-flags
+      '(list "-m" "not flaky")
       #:phases
       #~(modify-phases %standard-phases
           (add-before 'build 'configure