diff --git a/functions/recursors/gather-dependency-versions.js b/functions/recursors/gather-dependency-versions.js
index adb26c0..d807c89 100644
--- a/functions/recursors/gather-dependency-versions.js
+++ b/functions/recursors/gather-dependency-versions.js
@@ -3,12 +3,15 @@ import fastclone from "fast-clone"
 
 export let initial = {}
 
-export let createReducer = () =>
+export let createReducer = ({production = false} = {}) =>
 	function reducer (current, name, info) {
+		if (production && info.dev) {
+			return current
+		}
 		let counts = fastclone(current)
 		counts[name] = [...new Set((counts[name] || []).concat(info.version))]
 		return counts
 	}
 
-let recursor = () => createRecursor(createReducer(), initial)
+let recursor = ({production}) => createRecursor(createReducer({production}), initial)
 export default recursor