diff --git a/tests/requirements/py3.txt b/tests/requirements/py3.txt
index 0d754eafaa..6c8ef80510 100644
--- a/tests/requirements/py3.txt
+++ b/tests/requirements/py3.txt
@@ -12,7 +12,7 @@ Pillow >= 6.2.0
 pylibmc; sys.platform != 'win32'
 pymemcache >= 3.4.0
 # RemovedInDjango41Warning.
-python-memcached >= 1.59
+python-memcached == 1.59
 pytz
 pywatchman; sys.platform != 'win32'
 PyYAML