diff --git a/packages/SwingSet/package.json b/packages/SwingSet/package.json
index 7d3f90fc087..d3ec67af821 100644
--- a/packages/SwingSet/package.json
+++ b/packages/SwingSet/package.json
@@ -34,7 +34,7 @@
     "@agoric/captp": "^1.5.2-dev.0",
     "@agoric/eventual-send": "^0.12.0-dev.0",
     "@agoric/import-bundle": "^0.0.12-dev.0",
-    "@agoric/install-ses": "^0.3.3-dev.0",
+    "@agoric/install-ses": "^0.5.29",
     "@agoric/marshal": "^0.2.7-dev.0",
     "@agoric/nat": "^2.0.1",
     "@agoric/promise-kit": "^0.1.7-dev.0",