diff --git a/requirements.txt b/requirements.txt
index b436f9122..8b9d8624f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,7 +13,7 @@ iso8601==0.1.12
 jsonschema==2.6.0
 marshmallow-sqlalchemy==0.13.2
 marshmallow==2.14.0
-monotonic==1.3
+monotonic==1.4
 psycopg2==2.7.3.2
 PyJWT==1.5.3
 SQLAlchemy-Utils==0.32.19