diff --git a/package.json b/package.json
index e6da45f..09c3659 100644
--- a/package.json
+++ b/package.json
@@ -20,12 +20,12 @@
     "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": {
-    "is-arguments": "^1.0.4",
-    "is-date-object": "^1.0.2",
-    "is-regex": "^1.0.5",
-    "object-is": "^1.0.2",
+    "is-arguments": "^1.1.1",
+    "is-date-object": "^1.0.5",
+    "is-regex": "^1.1.4",
+    "object-is": "^1.1.5",
     "object-keys": "^1.1.1",
-    "regexp.prototype.flags": "^1.3.0"
+    "regexp.prototype.flags": "^1.5.1"
   },
   "devDependencies": {
     "@ljharb/eslint-config": "^21.1.0",