diff --git a/package.json b/package.json
index 49a2ea2..7e86b99 100644
--- a/package.json
+++ b/package.json
@@ -29,15 +29,15 @@
     "postversion": "auto-changelog && git add CHANGELOG.md && git commit --no-edit --amend && git tag -f \"v$(node -e \"console.log(require('./package.json').version)\")\""
   },
   "dependencies": {
-    "es-abstract": "^1.17.6",
+    "es-abstract": "^1.18.0-next.1",
     "es-get-iterator": "^1.1.0",
     "is-arguments": "^1.0.4",
     "is-date-object": "^1.0.2",
     "is-regex": "^1.1.1",
     "isarray": "^2.0.5",
-    "object-is": "^1.1.2",
+    "object-is": "^1.1.3",
     "object-keys": "^1.1.1",
-    "object.assign": "^4.1.0",
+    "object.assign": "^4.1.1",
     "regexp.prototype.flags": "^1.3.0",
     "side-channel": "^1.0.3",
     "which-boxed-primitive": "^1.0.1",