diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 9d734533..29a7e881 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -31,11 +31,6 @@ jobs:
           - "postgres"
 
     services:
-      mongodb:
-        image: mongo
-        ports:
-          - 27017:27017
-
       postgresdb:
         image: postgres:alpine
         ports:
diff --git a/Makefile b/Makefile
index 4d52a184..778fd785 100644
--- a/Makefile
+++ b/Makefile
@@ -59,6 +59,9 @@ test:
 		-b \
 		-X dev \
 		-Werror \
+		-Wignore:::mongomock: \
+		-Wignore:::mongomock.__version__: \
+		-Wignore:::pkg_resources: \
 		-m unittest
 
 # DOC: Test the examples
diff --git a/docs/changelog.rst b/docs/changelog.rst
index c5fc0767..f7482039 100644
--- a/docs/changelog.rst
+++ b/docs/changelog.rst
@@ -11,6 +11,7 @@ ChangeLog
 - Add support for Django 5.0
 - Add support for Python 3.12
 - :issue:`903`: Add basic typing annotations
+- Run the test suite against ``mongomock`` instead of an actual mongo server
 
 *Bugfix:*
 
diff --git a/setup.cfg b/setup.cfg
index 4f93b98c..1882a205 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -51,6 +51,7 @@ dev =
     SQLAlchemy
     sqlalchemy_utils
     mongoengine
+    mongomock
     wheel>=0.32.0
     tox
     zest.releaser[recommended]
diff --git a/tests/test_mongoengine.py b/tests/test_mongoengine.py
index bc930fca..5c8a9bfa 100644
--- a/tests/test_mongoengine.py
+++ b/tests/test_mongoengine.py
@@ -12,6 +12,7 @@
 
 import factory
 from factory.mongoengine import MongoEngineFactory
+import mongomock
 
 
 class Address(mongoengine.EmbeddedDocument):
@@ -52,6 +53,7 @@ def setUpClass(cls):
             db=cls.db_name,
             host=cls.db_host,
             port=cls.db_port,
+            mongo_client_class=mongomock.MongoClient,
             # PyMongo>=2.1 requires an explicit read_preference.
             read_preference=mongo_rp.ReadPreference.PRIMARY,
             # PyMongo>=2.1 has a 20s timeout, use 100ms instead
diff --git a/tox.ini b/tox.ini
index 17dfdb50..caf960cf 100644
--- a/tox.ini
+++ b/tox.ini
@@ -30,7 +30,6 @@ DATABASE_TYPE =
 
 [testenv]
 passenv =
-    MONGO_HOST
     POSTGRES_HOST
     POSTGRES_DATABASE
 deps =
@@ -38,6 +37,7 @@ deps =
     alchemy: SQLAlchemy
     alchemy: sqlalchemy_utils
     mongo: mongoengine
+    mongo: mongomock
     django{32,42,50,main}: Pillow
     django32: Django>=3.2,<3.3
     django42: Django>=4.2,<5.0