diff --git a/package-lock.json b/package-lock.json
index 058b0f3..30e9812 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1442,7 +1442,7 @@
         "resolve": "1.6.0",
         "semver": "5.5.0",
         "tslib": "1.9.0",
-        "tsutils": "2.26.0"
+        "tsutils": "2.26.1"
       },
       "dependencies": {
         "commander": {
@@ -1454,9 +1454,9 @@
       }
     },
     "tsutils": {
-      "version": "2.26.0",
-      "resolved": "https://registry.npmjs.org/tsutils/-/tsutils-2.26.0.tgz",
-      "integrity": "sha512-hXUttgxeaZ/uPP/dpeiWUHbP5h744mPrfN2YFFtcZzd7vBRPBP6Knr0Mt6Bd+5SntMn8/1r6IGFeYPDSBIIPpg==",
+      "version": "2.26.1",
+      "resolved": "https://registry.npmjs.org/tsutils/-/tsutils-2.26.1.tgz",
+      "integrity": "sha512-bnm9bcjOqOr1UljleL94wVCDlpa6KjfGaTkefeLch4GRafgDkROxPizbB/FxTEdI++5JqhxczRy/Qub0syNqZA==",
       "dev": true,
       "requires": {
         "tslib": "1.9.0"