diff --git a/packages/ses-ava/package.json b/packages/ses-ava/package.json
index 152bc1d910..64c509ed5b 100644
--- a/packages/ses-ava/package.json
+++ b/packages/ses-ava/package.json
@@ -39,9 +39,11 @@
   "dependencies": {
     "@endo/env-options": "^1.1.1",
     "@endo/init": "^1.0.4",
-    "ava": "^6.1.2",
     "ses": "^1.3.0"
   },
+  "peerDependencies": {
+    "ava": "^5.3.0|^6.1.2"
+  },
   "devDependencies": {
     "babel-eslint": "^10.0.3",
     "c8": "^7.14.0",