diff --git a/golang/cosmos/app/upgrade.go b/golang/cosmos/app/upgrade.go
index 818c1fd63ce..1f6e8b2f57a 100644
--- a/golang/cosmos/app/upgrade.go
+++ b/golang/cosmos/app/upgrade.go
@@ -212,6 +212,12 @@ func unreleasedUpgradeHandler(app *GaiaApp, targetUpgrade string) func(sdk.Conte
 					// Upgrade to include a cleanup from https://github.com/Agoric/agoric-sdk/pull/10319
 					"@agoric/builders/scripts/smart-wallet/build-wallet-factory2-upgrade.js",
 				),
+				vm.CoreProposalStepForModules(
+					"@agoric/builders/scripts/vats/upgrade-provisionPool.js",
+				),
+				vm.CoreProposalStepForModules(
+					"@agoric/builders/scripts/vats/upgrade-bank.js",
+				),
 			)
 
 			// CoreProposals for Upgrade 19
diff --git a/packages/vats/src/proposals/upgrade-provisionPool-proposal.js b/packages/vats/src/proposals/upgrade-provisionPool-proposal.js
index 9d31c752607..4dd74af9c69 100644
--- a/packages/vats/src/proposals/upgrade-provisionPool-proposal.js
+++ b/packages/vats/src/proposals/upgrade-provisionPool-proposal.js
@@ -16,6 +16,10 @@ export const upgradeProvisionPool = async (
       economicCommitteeCreatorFacet: electorateCreatorFacet,
       instancePrivateArgs: instancePrivateArgsP,
       provisionPoolStartResult: provisionPoolStartResultP,
+      bankManager,
+      namesByAddressAdmin: namesByAddressAdminP,
+      walletFactoryStartResult: walletFactoryStartResultP,
+      provisionWalletBridgeManager: provisionWalletBridgeManagerP,
     },
   },
   options,
@@ -25,11 +29,25 @@ export const upgradeProvisionPool = async (
   assert(provisionPoolRef.bundleID);
   console.log(`PROVISION POOL BUNDLE ID: `, provisionPoolRef.bundleID);
 
-  const [provisionPoolStartResult, instancePrivateArgs] = await Promise.all([
+  const [
+    provisionPoolStartResult,
+    instancePrivateArgs,
+    namesByAddressAdmin,
+    walletFactoryStartResult,
+    provisionWalletBridgeManager,
+  ] = await Promise.all([
     provisionPoolStartResultP,
     instancePrivateArgsP,
+    namesByAddressAdminP,
+    walletFactoryStartResultP,
+    provisionWalletBridgeManagerP,
   ]);
-  const { adminFacet, instance } = provisionPoolStartResult;
+  const {
+    adminFacet,
+    instance,
+    creatorFacet: ppCreatorFacet,
+  } = provisionPoolStartResult;
+  const { creatorFacet: wfCreatorFacet } = walletFactoryStartResult;
 
   const [originalPrivateArgs, poserInvitation] = await Promise.all([
     // eslint-disable-next-line @typescript-eslint/ban-ts-comment
@@ -49,6 +67,24 @@ export const upgradeProvisionPool = async (
   );
 
   console.log('ProvisionPool upgraded: ', upgradeResult);
+
+  const references = {
+    bankManager,
+    namesByAddressAdmin,
+    walletFactory: wfCreatorFacet,
+  };
+
+  console.log('Calling setReferences with: ', references);
+  await E(ppCreatorFacet).setReferences(references);
+
+  console.log('Creating bridgeHandler...');
+  const bridgeHandler = await E(ppCreatorFacet).makeHandler();
+
+  console.log('Setting new bridgeHandler...');
+  // @ts-expect-error casting
+  await E(provisionWalletBridgeManager).setHandler(bridgeHandler);
+
+  console.log('Done.');
 };
 
 export const getManifestForUpgradingProvisionPool = (
@@ -61,6 +97,10 @@ export const getManifestForUpgradingProvisionPool = (
         economicCommitteeCreatorFacet: true,
         instancePrivateArgs: true,
         provisionPoolStartResult: true,
+        bankManager: true,
+        namesByAddressAdmin: true,
+        walletFactoryStartResult: true,
+        provisionWalletBridgeManager: true,
       },
       produce: {},
     },