diff --git a/.travis.yml b/.travis.yml
index 809fbad8..a299eea9 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -33,11 +33,12 @@ env:
   global:
     - MONGODB_3_4=3.4.17
     - MONGODB_3_6=3.6.12
+    - PYMONGO_3_10=3.10
     - PYMONGO_3_9=3.9
     - PYMONGO_3_6=3.6
     - PYMONGO_3_4=3.4
   matrix:
-    - MONGODB=${MONGODB_3_4} PYMONGO=${PYMONGO_3_9}
+    - MONGODB=${MONGODB_3_4} PYMONGO=${PYMONGO_3_10}
 
 matrix:
 
@@ -51,6 +52,8 @@ matrix:
     env: MONGODB=${MONGODB_3_6} PYMONGO=${PYMONGO_3_6}
   - python: 3.7
     env: MONGODB=${MONGODB_3_6} PYMONGO=${PYMONGO_3_9}
+  - python: 3.7
+    env: MONGODB=${MONGODB_3_6} PYMONGO=${PYMONGO_3_10}
 
 install:
   # Install Mongo
@@ -110,5 +113,5 @@ deploy:
   on:
     tags: true
     repo: MongoEngine/mongoengine
-    condition: ($PYMONGO = ${PYMONGO_3_9}) && ($MONGODB = ${MONGODB_3_4})
+    condition: ($PYMONGO = ${PYMONGO_3_10}) && ($MONGODB = ${MONGODB_3_4})
     python: 2.7
diff --git a/setup.py b/setup.py
index 6c3ef8db..5ba84e06 100644
--- a/setup.py
+++ b/setup.py
@@ -143,7 +143,7 @@ setup(
     long_description=LONG_DESCRIPTION,
     platforms=["any"],
     classifiers=CLASSIFIERS,
-    install_requires=["pymongo>=3.4", "six>=1.10.0"],
+    install_requires=["pymongo>=3.4, <4.0", "six>=1.10.0"],
     cmdclass={"test": PyTest},
     **extra_opts
 )
diff --git a/tox.ini b/tox.ini
index 349b5577..a3d2df60 100644
--- a/tox.ini
+++ b/tox.ini
@@ -7,6 +7,7 @@ commands =
 deps =
     mg34: pymongo>=3.4,<3.5
     mg36: pymongo>=3.6,<3.7
-    mg39: pymongo>=3.9,<4.0
+    mg39: pymongo>=3.9,<3.10
+    mg310: pymongo>=3.10,<3.11
 setenv =
     PYTHON_EGG_CACHE = {envdir}/python-eggs