diff --git a/requirements-dev.txt b/requirements-dev.txt
index 9b41c5d..0e66e5e 100755
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,4 +1,4 @@
-numpy
+numpy<2
 pandas==2.*
 scipy
 python-dateutil
diff --git a/requirements.txt b/requirements.txt
index ab1bc5c..e6a6fd2 100755
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-numpy
+numpy<2
 pandas==2.*
 python-dateutil
 requests