diff --git a/package.json b/package.json
index 478ea47..27f4c6c 100644
--- a/package.json
+++ b/package.json
@@ -197,7 +197,7 @@
 		"is-node-modern": "^1.0.0",
 		"npm-run-all": "^4.1.5",
 		"nyc": "^15.1.0",
-		"open-cli": "^6.0.1",
+		"open-cli": ">=6.0 <7.0",
 		"prettier": "^2.1.1",
 		"remark-cli": "^9.0.0",
 		"remark-footnotes": "^3.0.0",