diff --git a/package.json b/package.json
index 9ebfcb3..c4a636d 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
   "dependencies": {
     "@actions/core": "1.2.7",
     "@actions/github": "^5.1.1",
-    "istextorbinary": "^6.0.0",
+    "istextorbinary": "^9.0.0",
     "js-yaml": "3.14.1"
   },
   "devDependencies": {