diff --git a/tox.ini b/tox.ini
index 607e74f..3a9f206 100644
--- a/tox.ini
+++ b/tox.ini
@@ -6,6 +6,8 @@ envlist = py{38,39,310,311}-dj{32,40,41},py311-dj32-nodeps
 allowlist_externals = poetry
 commands =
     poetry install --no-root --with dev --all-extras
+    pip uninstall --yes pymemcache
+    pip install https://github.com/pinterest/pymemcache/archive/b51350ac48d5dff35727cf6458150b78dbac7ac4.zip
     dj32: pip install "Django>=3.2,<4.0" django-redis
     dj40: pip install "Django>=4.0,<4.1"
     dj41: pip install "Django>=4.1,<4.2"