diff --git a/pyproject.toml b/pyproject.toml
index bc38ac59..0875dd66 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -23,13 +23,13 @@ packages = [
 exclude = ["**/tests", "**/docs"]
 
 [tool.poetry.dependencies]
-python = ">=3.9 <4"
-numpy = ">=1.15"
+python = ">=3.9"
+numpy = "^1.26"
 cvxpy-base = {version = "^1.5.0", optional = true}
-scipy = {version = ">=1.11.0", optional = true}
+scipy = {version = "^1.11.0", optional = true}
 
 [tool.poetry.group.dev.dependencies]
-scipy = ">=1.11.0"
+scipy = "^1.11.0"
 pyscipopt = "^5.0.0"
 graphviz = "^0.20.1"
 cobra = "^0.29.0"