diff --git a/pyproject.toml b/pyproject.toml
index 9ef262baf..2c26a4b18 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -150,6 +150,7 @@ typing = [
 
 [tool.uv]
 required-version = ">=0.9.0"
+prerelease = "disallow"
 environments = [
   "sys_platform == 'darwin'",
   "sys_platform == 'linux'",
diff --git a/uv.lock b/uv.lock
index 29fd85060..574815fa1 100644
--- a/uv.lock
+++ b/uv.lock
@@ -18,6 +18,9 @@ supported-markers = [
     "sys_platform == 'linux'",
 ]
 
+[options]
+prerelease-mode = "disallow"
+
 [[package]]
 name = "aiohappyeyeballs"
 version = "2.6.1"