diff --git a/.requirements/base.in b/.requirements/base.in
index 185bd1f2..a35d1487 100644
--- a/.requirements/base.in
+++ b/.requirements/base.in
@@ -10,7 +10,7 @@ looseversion
 matplotlib>=3.4.3
 multipledispatch
 networkx
-numpy
+numpy<2
 pandas
 plotly
 pydantic