diff --git a/lib/main.js b/lib/main.js
index 215ca49..0682014 100644
--- a/lib/main.js
+++ b/lib/main.js
@@ -53,6 +53,11 @@ const watchFile = ({
 
     if (isHashOnly) {
       console.log('Updating hash only because --hash-only is true.')
+      try {
+        fs.writeFileSync(packageHashPath, recentDigest) // write to hash to file for future use
+      } catch (error) {
+        console.log(error)
+      }
       return true
     }