diff --git a/poetry.lock b/poetry.lock
index f176e6afc..fbe645ef4 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1,4 +1,4 @@
-# This file is automatically @generated by Poetry 1.8.3 and should not be changed by hand.
+# This file is automatically @generated by Poetry 1.8.2 and should not be changed by hand.
 
 [[package]]
 name = "alabaster"
@@ -3383,4 +3383,4 @@ plotting = ["matplotlib", "plotly"]
 [metadata]
 lock-version = "2.0"
 python-versions = ">=3.9,<4"
-content-hash = "0d36682c92315e2b8c25d8bf15bfa2c08b3ea91e888f2b904e3d01081fead634"
+content-hash = "c178970ee935e22d48670a81e5297eb36ce3dd82e3b2c58ec802160808730f83"
diff --git a/pyproject.toml b/pyproject.toml
index dc2140b4e..d863c0268 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -15,7 +15,7 @@ packages = [{ include = "GPy" }]
 
 [tool.poetry.dependencies]
 python = ">=3.9,<4"
-numpy = "^1.7"
+numpy = ">=1.7,<2"  # paramz is not compatible with numpy 2.0
 six = "*"
 paramz = ">=0.9.6"
 cython = "^0.29"