diff --git a/services/kms/oas_commit b/services/kms/oas_commit
index e3713dde..c0e55695 100644
--- a/services/kms/oas_commit
+++ b/services/kms/oas_commit
@@ -1 +1 @@
-0e64886dd0847341800d7191ed193b75413be998
+779c34469d663919ed700f2c69487eb5cccf70f3
diff --git a/services/kms/src/stackit/kms/models/wrapping_key.py b/services/kms/src/stackit/kms/models/wrapping_key.py
index 3cc24315..c72e9f42 100644
--- a/services/kms/src/stackit/kms/models/wrapping_key.py
+++ b/services/kms/src/stackit/kms/models/wrapping_key.py
@@ -51,7 +51,9 @@ class WrappingKey(BaseModel):
         description="The unique id of the key ring this wrapping key is assigned to.", alias="keyRingId"
     )
     protection: Protection
-    public_key: StrictStr = Field(description="The public key of the wrapping key.", alias="publicKey")
+    public_key: Optional[StrictStr] = Field(
+        default=None, description="The public key of the wrapping key.", alias="publicKey"
+    )
     purpose: WrappingPurpose
     state: StrictStr = Field(description="The current state of the wrapping key.")
     __properties: ClassVar[List[str]] = [