diff --git a/.github/workflows/customJson.yml b/.github/workflows/customJson.yml
index def29c5..b9255fa 100644
--- a/.github/workflows/customJson.yml
+++ b/.github/workflows/customJson.yml
@@ -7,7 +7,7 @@ jobs:
     steps:
     - name: Publish to slack
       id: slack
-      uses: slackapi/slack-github-action@v1.9.0
+      uses: slackapi/slack-github-action@v1.10.0
       with:
         payload: "{\"key\":\"value\",\"foo\":\"bar\"}"
       env:
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 0bf3bb8..24e3e80 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -7,7 +7,7 @@ jobs:
     steps:
     - name: Publish to slack
       id: slack
-      uses: slackapi/slack-github-action@v1.9.0
+      uses: slackapi/slack-github-action@v1.10.0
       with:
         channel-id: 'CTAAHRA79'
         slack-message: 'posting from a github action!'
diff --git a/index.js b/index.js
index 8ffb67b..51fe7c6 100644
--- a/index.js
+++ b/index.js
@@ -58,7 +58,8 @@ try {
     } 
     
     console.log('webhookURL type', typeof webhookUrl)
-    if (webhookUrl !== undefined && webhookUrl.length > 0) {
+    if (typeof webhookUrl !== undefined) {
+    // && webhookUrl.length > 0
         console.log('flattening');
         // send flat payload to webhookUrl
         const flatPayload = flatten(payload);
diff --git a/package.json b/package.json
index ba102fd..918b80f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "slack-github-action",
-  "version": "1.9.0",
+  "version": "1.10.0",
   "description": "The official slack github action. Use this to send data into your Slack workspace",
   "main": "dist/index.js",
   "scripts": {