diff --git a/package.json b/package.json
index 4ae9fa8..a239a3b 100644
--- a/package.json
+++ b/package.json
@@ -36,7 +36,7 @@
   "dependencies": {
     "@fimbul/bifrost": "^0.17.0",
     "tslib": "^1.7.1",
-    "tsutils": "^2.29.0"
+    "tsutils": "^3.9.1"
   },
   "devDependencies": {
     "@fimbul/mithotyn": "^0.17.0",