diff --git a/ci/requirements_test.txt b/ci/requirements_test.txt
index 916612ba..21354369 100644
--- a/ci/requirements_test.txt
+++ b/ci/requirements_test.txt
@@ -8,4 +8,4 @@ seaborn==0.9.0
 libconfig==0.9.2
 six==1.12.0
 networkx==2.2;python_version<="2.7"
-networkx==2.3;python_version>="3.4"
+networkx==2.6.2;python_version>="3.4"