diff --git a/tests/requirements/py2.txt b/tests/requirements/py2.txt
index abce38c39c..3bfc36436d 100644
--- a/tests/requirements/py2.txt
+++ b/tests/requirements/py2.txt
@@ -1,3 +1,4 @@
 -r base.txt
-python-memcached
+# Due to https://github.com/linsomniac/python-memcached/issues/79 in newer versions.
+python-memcached <= 1.53
 mock