diff --git a/lower-constraints.txt b/lower-constraints.txt
index 708fb8ea..78efd47f 100644
--- a/lower-constraints.txt
+++ b/lower-constraints.txt
@@ -19,7 +19,7 @@ linecache2==1.0.0
 MarkupSafe==1.0
 mock==2.0.0
 mox3==0.20.0
-networkx==2.4.0
+networkx==2.3.0
 openstackdocstheme==1.18.1
 os-client-config==1.28.0
 oslotest==3.2.0
diff --git a/requirements.txt b/requirements.txt
index 946c7353..9b18c804 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
 
-networkx>=2.4.0 # BSD
+networkx>=2.3.0 # BSD
 pbr!=2.1.0,>=2.0.0 # Apache-2.0
 PyYAML>=3.12 # MIT
 stevedore>=1.20.0 # Apache-2.0