diff --git a/package.json b/package.json
index 4516d57..12a57e7 100644
--- a/package.json
+++ b/package.json
@@ -42,6 +42,7 @@
     "minipass-flush": "^1.0.5",
     "minipass-pipeline": "^1.2.4",
     "negotiator": "^0.6.3",
+    "proc-log": "^4.2.0",
     "promise-retry": "^2.0.1",
     "ssri": "^10.0.0"
   },