diff --git a/package.json b/package.json
index 43dbd95..008c35a 100644
--- a/package.json
+++ b/package.json
@@ -35,7 +35,7 @@
     "eslint-plugin-node": "^11.1.0",
     "eslint-plugin-prettier": "^5.0.0",
     "prettier": "^3.0.0",
-    "tap": "^18.5.0",
+    "tap": "^21.0.1",
     "typescript": "^5.0.0"
   },
   "exports": "./lib/nunjucks.js",