diff --git a/.github/uv-requirements.txt b/.github/uv-requirements.txt
index a17feb95d..29e44c616 100644
--- a/.github/uv-requirements.txt
+++ b/.github/uv-requirements.txt
@@ -1 +1 @@
-uv==0.12.1
+uv==0.12.3
diff --git a/pyproject.toml b/pyproject.toml
index 3825bf6cf..7e503dc45 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -29,7 +29,7 @@ dependencies = [
     "matplotlib",
     "networkx",
     "numba>=0.65.1",
-    "numpy>=2",
+    "numpy>=2,<2.5",
     "quimb",
     "scipy",
     "sympy",
diff --git a/uv.lock b/uv.lock
index 47323f804..89f1b045b 100644
--- a/uv.lock
+++ b/uv.lock
@@ -936,7 +936,7 @@ requires-dist = [
     { name = "nox", marker = "extra == 'dev'", specifier = "==2026.7.11" },
     { name = "numba", specifier = ">=0.65.1" },
     { name = "numba", marker = "python_full_version >= '3.11' and extra == 'typing'", specifier = "==0.66.0" },
-    { name = "numpy", specifier = ">=2" },
+    { name = "numpy", specifier = ">=2,<2.5" },
     { name = "numpy", marker = "python_full_version == '3.10.*' and extra == 'typing'", specifier = "<2.4.2" },
     { name = "numpy", marker = "python_full_version >= '3.11' and extra == 'typing'", specifier = "==2.4.2" },
     { name = "pre-commit", marker = "extra == 'dev'" },