diff --git a/package.json b/package.json
index 1f69bec567b..790042790a7 100644
--- a/package.json
+++ b/package.json
@@ -77,7 +77,7 @@
     "mkdirp": "^0.5.1",
     "moment": "^2.18.1",
     "nunjucks": "^3.0.0",
-    "psi": "^1.0.4",
+    "psi": "^3.0.0",
     "request": "^2.81.0",
     "run-sequence": "^1.2.2",
     "sendgrid": "^5.1.0",