diff --git a/agent-windows/pyproject.toml b/agent-windows/pyproject.toml
index fb147f5..4083b0c 100644
--- a/agent-windows/pyproject.toml
+++ b/agent-windows/pyproject.toml
@@ -18,7 +18,7 @@ dependencies = [
   "pydantic>=2.5,<3.0",
   "argon2-cffi>=23.1,<26.0",
   "cryptography>=50.0.0,<51.0",
-  "python-ulid>=2.2,<4.0",
+  "python-ulid>=2.2,<5.0",
   "zeroconf>=0.131,<1.0",
 ]