diff --git a/packages/pegasus/package.json b/packages/pegasus/package.json
index 96cf8eccbe4..0a017b063df 100644
--- a/packages/pegasus/package.json
+++ b/packages/pegasus/package.json
@@ -35,7 +35,6 @@
     "@agoric/assert": "^0.2.9",
     "@agoric/bundle-source": "^1.3.4",
     "@agoric/captp": "^1.7.10",
-    "@agoric/cosmic-swingset": "^0.29.4",
     "@agoric/deploy-script-support": "^0.2.6",
     "@agoric/ertp": "^0.10.8",
     "@agoric/eventual-send": "^0.13.11",
diff --git a/packages/pegasus/src/pegasus.js b/packages/pegasus/src/pegasus.js
index 1106f11d916..73cfcd17fd7 100644
--- a/packages/pegasus/src/pegasus.js
+++ b/packages/pegasus/src/pegasus.js
@@ -10,7 +10,7 @@ import { assertProposalShape } from '@agoric/zoe/src/contractSupport';
 import { amountMath } from '@agoric/ertp';
 
 import '@agoric/notifier/exported';
-import '@agoric/cosmic-swingset/exported';
+import '@agoric/vats/exported';
 import '@agoric/swingset-vat/src/vats/network/types';
 import '@agoric/zoe/exported';
 import '../exported';