diff --git a/workspace/packages/muse-core/package.json b/workspace/packages/muse-core/package.json
index 76f6aa27..8cf65293 100644
--- a/workspace/packages/muse-core/package.json
+++ b/workspace/packages/muse-core/package.json
@@ -24,7 +24,7 @@
     "import-from": "^4.0.0",
     "javascript-time-ago": "^2.5.6",
     "js-plugin": "^1.1.0",
-    "js-yaml": "^4.1.0",
+    "js-yaml": "^3.14.2",
     "lodash": "^4.17.21",
     "lru-cache": "6.0.0",
     "path-to-regexp": "^6.2.1",