diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index ac34f33..66a950b 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -7,7 +7,7 @@ jobs:
     steps:
     - name: Publish to slack
       id: slack
-      uses: stevengill/slack-github-action@v1.3.2
+      uses: stevengill/slack-github-action@v1.3.3
       with:
         channel-id: 'CTAAHRA79'
 #         slack-message: 'posting from a github action!'
diff --git a/index.js b/index.js
index 5ead6a9..9cf4e95 100644
--- a/index.js
+++ b/index.js
@@ -20,7 +20,7 @@ try {
         throw 'Need to provide at least one botToken or webhookUrl'
     }
 
-    if (botToken) {
+    if (botToken.length > 0) {
         const message = core.getInput('slack-message');
         const channelId = core.getInput('channel-id');
         console.log('message', message, typeof message)
@@ -36,7 +36,7 @@ try {
         }
     } 
     
-    if (webhookUrl) {
+    if (webhookUrl.length > 0) {
         // send flat payload to webhookUrl
         const flatPayload = flatten(payload);
 
diff --git a/package.json b/package.json
index 0b8c015..58bc816 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "slack-github-action",
-  "version": "1.3.2",
+  "version": "1.3.3",
   "description": "",
   "main": "index.js",
   "scripts": {