diff --git a/requirements.txt b/requirements.txt
index fe4b21e74..446593700 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -25,7 +25,7 @@ oslo.policy>=1.15.0 # Apache-2.0
 oslo.serialization>=1.10.0 # Apache-2.0
 oslo.utils>=3.18.0 # Apache-2.0
 osprofiler>=1.4.0 # Apache-2.0
-pymongo>=3.0.2,!=3.1  # Apache-2.0
+pymongo!=3.1,>=3.0.2 # Apache-2.0
 pyScss!=1.3.5,>=1.3.4 # MIT License
 python-ceilometerclient>=2.5.0 # Apache-2.0
 python-cinderclient!=1.7.0,!=1.7.1,>=1.6.0 # Apache-2.0