diff --git a/requirements.txt b/requirements.txt
index 23cdfd916..99f96643c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,7 +10,7 @@ confection>=0.0.1,<1.0.0
 ml_datasets>=0.2.0,<0.3.0; python_version < "3.11"
 # Third-party dependencies
 pydantic>=1.7.4,!=1.8,!=1.8.1,<3.0.0
-numpy>=1.19.0
+numpy>=1.19.0,<2.0.0
 packaging>=20.0
 # Development dependencies
 cython>=0.25.0,<3.0