diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 2ba4fc0..46afde5 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -120,8 +120,8 @@ jobs:
           url: ${{ secrets.DISCORD_WEBHOOK }}
           method: POST
           headers: |
-            ContentType: application/json; charset=UTF-8
+            Content-Type: application/json; charset=UTF-8
           body: |
             {
               "content": "**DiscordChatExporter** new version released!\nVersion: `${{ steps.get-version.outputs.tag }}`\nChangelog: <https://github.com/Tyrrrz/DiscordChatExporter/blob/${{ steps.get-version.outputs.tag }}/Changelog.md>"
-            }
+            }
\ No newline at end of file