diff --git a/scaleway-async/scaleway_async/key_manager/v1alpha1/marshalling.py b/scaleway-async/scaleway_async/key_manager/v1alpha1/marshalling.py
index 517f06edd..485342ce0 100644
--- a/scaleway-async/scaleway_async/key_manager/v1alpha1/marshalling.py
+++ b/scaleway-async/scaleway_async/key_manager/v1alpha1/marshalling.py
@@ -13,6 +13,7 @@
     DataKeyAlgorithmSymmetricEncryption,
     KeyAlgorithmAsymmetricEncryption,
     KeyAlgorithmAsymmetricSigning,
+    KeyAlgorithmKeyEncapsulation,
     KeyAlgorithmSymmetricEncryption,
     KeyOrigin,
     KeyState,
@@ -104,7 +105,9 @@ def unmarshal_KeyUsage(data: Any) -> KeyUsage:
     if field is not None:
         args["key_encapsulation"] = field
     else:
-        args["key_encapsulation"] = None
+        args["key_encapsulation"] = (
+            KeyAlgorithmKeyEncapsulation.UNKNOWN_KEY_ENCAPSULATION
+        )
 
     return KeyUsage(**args)
 
diff --git a/scaleway-async/scaleway_async/key_manager/v1alpha1/types.py b/scaleway-async/scaleway_async/key_manager/v1alpha1/types.py
index cbcfe1517..facd9d14b 100644
--- a/scaleway-async/scaleway_async/key_manager/v1alpha1/types.py
+++ b/scaleway-async/scaleway_async/key_manager/v1alpha1/types.py
@@ -149,7 +149,9 @@ class KeyUsage:
         KeyAlgorithmAsymmetricSigning.UNKNOWN_ASYMMETRIC_SIGNING
     )
 
-    key_encapsulation: Optional[KeyAlgorithmKeyEncapsulation] = None
+    key_encapsulation: Optional[KeyAlgorithmKeyEncapsulation] = (
+        KeyAlgorithmKeyEncapsulation.UNKNOWN_KEY_ENCAPSULATION
+    )
 
 
 @dataclass
diff --git a/scaleway/scaleway/key_manager/v1alpha1/marshalling.py b/scaleway/scaleway/key_manager/v1alpha1/marshalling.py
index 517f06edd..485342ce0 100644
--- a/scaleway/scaleway/key_manager/v1alpha1/marshalling.py
+++ b/scaleway/scaleway/key_manager/v1alpha1/marshalling.py
@@ -13,6 +13,7 @@
     DataKeyAlgorithmSymmetricEncryption,
     KeyAlgorithmAsymmetricEncryption,
     KeyAlgorithmAsymmetricSigning,
+    KeyAlgorithmKeyEncapsulation,
     KeyAlgorithmSymmetricEncryption,
     KeyOrigin,
     KeyState,
@@ -104,7 +105,9 @@ def unmarshal_KeyUsage(data: Any) -> KeyUsage:
     if field is not None:
         args["key_encapsulation"] = field
     else:
-        args["key_encapsulation"] = None
+        args["key_encapsulation"] = (
+            KeyAlgorithmKeyEncapsulation.UNKNOWN_KEY_ENCAPSULATION
+        )
 
     return KeyUsage(**args)
 
diff --git a/scaleway/scaleway/key_manager/v1alpha1/types.py b/scaleway/scaleway/key_manager/v1alpha1/types.py
index cbcfe1517..facd9d14b 100644
--- a/scaleway/scaleway/key_manager/v1alpha1/types.py
+++ b/scaleway/scaleway/key_manager/v1alpha1/types.py
@@ -149,7 +149,9 @@ class KeyUsage:
         KeyAlgorithmAsymmetricSigning.UNKNOWN_ASYMMETRIC_SIGNING
     )
 
-    key_encapsulation: Optional[KeyAlgorithmKeyEncapsulation] = None
+    key_encapsulation: Optional[KeyAlgorithmKeyEncapsulation] = (
+        KeyAlgorithmKeyEncapsulation.UNKNOWN_KEY_ENCAPSULATION
+    )
 
 
 @dataclass