diff --git a/.jenkinsfile b/.jenkinsfile
index 1aa06d7..eb7e281 100644
--- a/.jenkinsfile
+++ b/.jenkinsfile
@@ -37,7 +37,7 @@ pipeline {
                         httpMode: 'POST',
                         customHeaders: [
                             [name: 'Accept-Type', value: 'application/json'],
-                            [name: 'Content-Type', value: 'application/json'],
+                            [name: 'Content-Type', value: 'application/json;charset=utf-8'],
                             [name: 'Authorization', value: 'token ' + env.GITEA_TOKEN],
                         ],
                         requestBody: releaseData)