diff --git a/lib/platform/bitbucket-server/index.js b/lib/platform/bitbucket-server/index.js
index 5c3c5e63333389f0e9a5388c48262f0c61fd8166..a94a19098c383ead8578ba713b03c16482478dfb 100644
--- a/lib/platform/bitbucket-server/index.js
+++ b/lib/platform/bitbucket-server/index.js
@@ -275,7 +275,7 @@ async function deleteBranch(branchName, closePr = false) {
       await api.post(
         `./rest/api/1.0/projects/${config.projectKey}/repos/${
           config.repositorySlug
-        }/pull-requests/${pr.number}/decline?version=${pr.version + 1}`
+        }/pull-requests/${pr.number}/decline?version=${pr.version}`
       );
 
       await getPr(pr.number, true);