diff --git a/pyproject.toml b/pyproject.toml
index 1813bf0e7..11e68541a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -71,6 +71,8 @@ members = ["fastmcp_slim"]
 
 [tool.uv]
 default-groups = ["dev"]
+exclude-newer = "1 week"
+exclude-newer-package = { prefab-ui = false }
 
 [dependency-groups]
 dev = [
diff --git a/uv.lock b/uv.lock
index 8f050018e..af19d733d 100644
--- a/uv.lock
+++ b/uv.lock
@@ -9,6 +9,13 @@ resolution-markers = [
     "python_full_version < '3.11'",
 ]
 
+[options]
+exclude-newer = "2026-05-15T22:43:18.553853Z"
+exclude-newer-span = "P1W"
+
+[options.exclude-newer-package]
+prefab-ui = false
+
 [manifest]
 members = [
     "fastmcp",