diff --git a/Jenkinsfile b/Jenkinsfile
index 07ad168..eb9df70 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -23,7 +23,7 @@ pipeline {
                         error "Version file not found: ${versionFile}"
                     }
                     def versionText = readFile(file: versionFile)
-                    def matcher = versionText =~ /version=(.+?)(-\[A-Za-z\]+)?/
+                    def matcher = versionText =~ /version=(.*)(-[A-z]*)?/
                     if (matcher) {
                         env.VERSION = matcher[0][1]
                         echo "Extracted VERSION: ${env.VERSION}"