diff --git a/OMICRON_VERSION b/OMICRON_VERSION
index 40718e7d7..462ff645c 100644
--- a/OMICRON_VERSION
+++ b/OMICRON_VERSION
@@ -1 +1 @@
-3df6222f1780fead403ca27b383db256ffea9984
+4402c12709fdb14eb0ffc813bbe30e0b116b3ca4
diff --git a/libs/api/__generated__/Api.ts b/libs/api/__generated__/Api.ts
index 4b4c5d7c0..c99cd2227 100644
--- a/libs/api/__generated__/Api.ts
+++ b/libs/api/__generated__/Api.ts
@@ -860,8 +860,10 @@ export type IpPool = {
   description: string
   /** unique, immutable, system-controlled identifier for each resource */
   id: string
+  isDefault: boolean
   /** unique, mutable, user-controlled identifier for each resource */
   name: Name
+  siloId?: string
   /** timestamp when this resource was created */
   timeCreated: Date
   /** timestamp when this resource was last modified */
@@ -871,7 +873,14 @@ export type IpPool = {
 /**
  * Create-time parameters for an `IpPool`
  */
-export type IpPoolCreate = { description: string; name: Name }
+export type IpPoolCreate = {
+  description: string
+  /** Whether the IP pool is considered a default pool for its scope (fleet or silo). If a pool is marked default and is associated with a silo, instances created in that silo will draw IPs from that pool unless another pool is specified at instance create time. */
+  isDefault?: boolean
+  name: Name
+  /** If an IP pool is associated with a silo, instance IP allocations in that silo can draw from that pool. */
+  silo?: NameOrId
+}
 
 /**
  * A non-decreasing IPv4 address range, inclusive of both ends.
diff --git a/libs/api/__generated__/OMICRON_VERSION b/libs/api/__generated__/OMICRON_VERSION
index 34629986b..022514577 100644
--- a/libs/api/__generated__/OMICRON_VERSION
+++ b/libs/api/__generated__/OMICRON_VERSION
@@ -1,2 +1,2 @@
 # generated file. do not update manually. see docs/update-pinned-api.md
-3df6222f1780fead403ca27b383db256ffea9984
+4402c12709fdb14eb0ffc813bbe30e0b116b3ca4
diff --git a/libs/api/__generated__/validate.ts b/libs/api/__generated__/validate.ts
index 1cb5d7a22..1e9031371 100644
--- a/libs/api/__generated__/validate.ts
+++ b/libs/api/__generated__/validate.ts
@@ -871,7 +871,9 @@ export const IpPool = z.preprocess(
   z.object({
     description: z.string(),
     id: z.string().uuid(),
+    isDefault: SafeBoolean,
     name: Name,
+    siloId: z.string().uuid().optional(),
     timeCreated: z.coerce.date(),
     timeModified: z.coerce.date(),
   })
@@ -882,7 +884,12 @@ export const IpPool = z.preprocess(
  */
 export const IpPoolCreate = z.preprocess(
   processResponseBody,
-  z.object({ description: z.string(), name: Name })
+  z.object({
+    description: z.string(),
+    isDefault: SafeBoolean.default(false).optional(),
+    name: Name,
+    silo: NameOrId.optional(),
+  })
 )
 
 /**