diff --git a/services/kms/oas_commit b/services/kms/oas_commit
index a978700c7..74d9d4440 100644
--- a/services/kms/oas_commit
+++ b/services/kms/oas_commit
@@ -1 +1 @@
-467fe4d305e48699c34835e45fd1c7b486be01d2
+1b0b8ef9bb50208f4a8e0107a138d63f3b7ec15c
diff --git a/services/kms/src/stackit/kms/models/protection.py b/services/kms/src/stackit/kms/models/protection.py
index b1dad0eb4..8c2299335 100644
--- a/services/kms/src/stackit/kms/models/protection.py
+++ b/services/kms/src/stackit/kms/models/protection.py
@@ -21,13 +21,14 @@
 
 class Protection(str, Enum):
     """
-    The underlying system that is responsible for protecting the key material.
+    The underlying system that is responsible for protecting the key material. (\"hsm\" is a private preview feature).
     """
 
     """
     allowed enum values
     """
     SOFTWARE = "software"
+    HSM = "hsm"
 
     @classmethod
     def from_json(cls, json_str: str) -> Self: