diff --git a/scripts/nb-tester/requirements.txt b/scripts/nb-tester/requirements.txt
index 31dc4793214..5d17e221116 100644
--- a/scripts/nb-tester/requirements.txt
+++ b/scripts/nb-tester/requirements.txt
@@ -13,3 +13,4 @@ qiskit-addon-aqc-tensor~=0.1.2
 qiskit-addon-obp~=0.1.0
 scipy~=1.15.1
 pyscf~=2.8.0; sys.platform != 'win32'
+networkx~=3.4.2