diff --git a/requirements.txt b/requirements.txt
index 97e4a3e49..8755fd1ab 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,7 +13,7 @@ Jinja2!=2.9.0,!=2.9.1,!=2.9.2,!=2.9.3,!=2.9.4,>=2.8 # BSD License (3 clause)
 jsonschema<3.0.0,>=2.6.0 # MIT
 keystonemiddleware>=4.17.0 # Apache-2.0
 mistral-lib>=0.2.0 # Apache-2.0
-networkx>=1.10 # BSD
+networkx<2.0,>=1.10 # BSD
 oslo.concurrency>=3.20.0 # Apache-2.0
 oslo.config>=4.6.0 # Apache-2.0
 oslo.context>=2.14.0 # Apache-2.0
diff --git a/test-requirements.txt b/test-requirements.txt
index 265128142..ee49e0ae8 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -10,7 +10,7 @@ hacking!=0.13.0,<0.14,>=0.12.0 # Apache-2.0
 keystonemiddleware>=4.17.0 # Apache-2.0
 mistral-lib>=0.2.0 # Apache-2.0
 mock>=2.0.0 # BSD
-networkx>=1.10 # BSD
+networkx<2.0,>=1.10 # BSD
 nose>=1.3.7 # LGPL
 oslotest>=1.10.0 # Apache-2.0
 oslo.db>=4.24.0 # Apache-2.0