diff --git a/workspaces/arborist/test/fixtures/tap-with-yarn-lock/node_modules/handlebars/package.json b/workspaces/arborist/test/fixtures/tap-with-yarn-lock/node_modules/handlebars/package.json
index 2d9a1bd955cc2..70df94c9b9882 100644
--- a/workspaces/arborist/test/fixtures/tap-with-yarn-lock/node_modules/handlebars/package.json
+++ b/workspaces/arborist/test/fixtures/tap-with-yarn-lock/node_modules/handlebars/package.json
@@ -23,7 +23,7 @@
   "dependencies": {
     "neo-async": "^2.6.0",
     "optimist": "^0.6.1",
-    "source-map": "^0.6.1"
+    "source-map": "^0.7.4"
   },
   "optionalDependencies": {
     "uglify-js": "^3.1.4"