diff --git a/acme.js b/acme.js
index f3ceddc..a5cb9b0 100644
--- a/acme.js
+++ b/acme.js
@@ -486,6 +486,7 @@ ACME._dryRun = function(me, realOptions, zonenames) {
 					type: ch.type
 					//challenge: ch
 				});
+				// ignore promise return
 				noopts.challenges[ch.type]
 					.remove({ challenge: ch })
 					.catch(function(err) {
diff --git a/package-lock.json b/package-lock.json
index 24a9276..cdd75af 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
 	"name": "@root/acme",
-	"version": "3.0.6",
+	"version": "3.0.8",
 	"lockfileVersion": 1,
 	"requires": true,
 	"dependencies": {
diff --git a/package.json b/package.json
index 3b41d43..f9c455b 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "@root/acme",
-	"version": "3.0.7",
+	"version": "3.0.8",
 	"description": "Free SSL certificates for Node.js and Browsers. Issued via Let's Encrypt",
 	"homepage": "https://rootprojects.org/acme/",
 	"main": "acme.js",