diff --git a/requirements.txt b/requirements.txt
index 2f42b88b39..c80b776b0a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,8 +10,8 @@
 pbr!=2.1.0,>=2.0.0 # Apache-2.0
 # Horizon Core Requirements
 Babel!=2.4.0,>=2.3.4 # BSD
-Django<2.0,>=1.11 # BSD
-Pint>=0.5 # BSD
+Django<2;python_version<'3.0'  # BSD
+Django<2.1;python_version>='3.0'  # BSD
 django-babel>=0.6.2 # BSD
 django-compressor>=2.0 # MIT
 django-pyscss>=2.0.2 # BSD License (2 clause)
@@ -26,6 +26,7 @@ oslo.policy>=1.30.0 # Apache-2.0
 oslo.serialization!=2.19.1,>=2.18.0 # Apache-2.0
 oslo.utils>=3.33.0 # Apache-2.0
 osprofiler>=1.4.0 # Apache-2.0
+Pint>=0.5 # BSD
 pymongo!=3.1,>=3.0.2 # Apache-2.0
 pyScss!=1.3.5,>=1.3.4 # MIT License
 python-cinderclient>=3.3.0 # Apache-2.0