diff --git a/.github/actions/send-slack-notification/action.yml b/.github/actions/send-slack-notification/action.yml
index efafbe1f3..b3f1b5aa8 100644
--- a/.github/actions/send-slack-notification/action.yml
+++ b/.github/actions/send-slack-notification/action.yml
@@ -22,6 +22,13 @@ inputs:
 runs:
   using: composite
   steps:
+    - name: Validate token
+      if: inputs.token == ''
+      uses: actions/github-script@v3
+      with:
+        script: |
+          core.setFailed('Slack token was not provided!')
+
     - name: Compute color
       id: compute-color
       shell: bash
diff --git a/version.txt b/version.txt
index c219f7237..3d67a549d 100644
--- a/version.txt
+++ b/version.txt
@@ -1 +1 @@
-v3.4.0
+v3.4.1