diff --git a/services/optimization-service/requirements.txt b/services/optimization-service/requirements.txt
index 2696375..015c62c 100644
--- a/services/optimization-service/requirements.txt
+++ b/services/optimization-service/requirements.txt
@@ -4,4 +4,5 @@ requests==2.28.0
 urllib3==1.26.9
 Werkzeug==2.1.2
 qiskit==0.36.2
-matplotlib==3.8.0
\ No newline at end of file
+matplotlib==3.8.0
+numpy==1.26.2