diff --git a/Jenkinsfile b/Jenkinsfile
index 9cdacdb..22ff80e 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -1,5 +1,11 @@
 @groovy.transform.Field String VERSION
 
+@NonCPS
+String extractBaseVersion(String pom) {
+    def matcher = pom =~ /<artifactId>pf-sdn<\/artifactId>\s*<version>([0-9.]+)<\/version>/
+    return matcher.find() ? matcher.group(1) : null
+}
+
 pipeline {
     agent any
 
@@ -8,12 +14,11 @@ pipeline {
             steps {
                 script {
                     def pom = readFile('pom.xml')
-                    def matcher = pom =~ /<artifactId>pf-sdn<\/artifactId>\s*<version>([0-9.]+)<\/version>/
-                    if (!matcher.find()) {
+                    def baseVersion = extractBaseVersion(pom)
+                    if (!baseVersion) {
                         error "Project version not found in pom.xml"
                     }
 
-                    def baseVersion = matcher.group(1)
                     echo "Base version from pom: ${baseVersion}"
 
                     def parts = baseVersion.tokenize('.')