diff --git a/Jenkins/Jenkinsfile-deb-pkg b/Jenkins/Jenkinsfile-deb-pkg
index 31e5975..191539f 100644
--- a/Jenkins/Jenkinsfile-deb-pkg
+++ b/Jenkins/Jenkinsfile-deb-pkg
@@ -71,7 +71,7 @@ pipeline {
                     script {
                         sh '''
                         V=$(grep -E "^## \\[[0-9]+\\.[0-9]+\\.[0-9]+" CHANGELOG.md | head -1 | \
-                        sed -E "s/^## \\[([0-9]+\\.[0-9]+\\.[0-9]+[^\\]]*)\\].*/\\1/")
+                        sed 's/^## \[\([^]]*\)\].*/\1/'
                         echo "V=$V" >src/VERSION
                         echo "Versión extraída: $V"
                         src/update.py