diff --git a/Jenkinsfile b/Jenkinsfile
index f7371e8..8def127 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -1,20 +1,30 @@
 pipeline {
-    agent {
-        label 'agent1' // Określenie agenta o nazwie 'agent1'
-    }
+    agent any
 
     stages {
         stage('Install Dependencies') {
             steps {
                 script {
-                    // Pobierz dependencies z package.json
                     def dependencies = sh(script: "jq -r '.dependencies | keys[]' package.json", returnStdout: true).split('\n')
-                    echo "Zależności: ${dependencies}"
+                    def unsignedPackages = []
 
-                    // Weryfikacja sumy kontrolnej dla każdego pakietu
                     for (dep in dependencies) {
                         sh "npm pack ${dep}@\$(jq -r '.dependencies[\"${dep}\"]' package.json)"
                         
+                        def result = sh(
+                            script: """
+                                wget -q --spider https://registry.npmjs.org/${dep}/-/\$(jq -r '.dependencies[\"${dep}\"]' package.json)/${dep}.tgz.asc || echo 'NOT_FOUND'
+                            """,
+                            returnStdout: true
+                        ).trim()
+
+                        if (result == 'NOT_FOUND') {
+                            unsignedPackages.add(dep)
+                        } else {
+                            sh "wget https://registry.npmjs.org/${dep}/-/\$(jq -r '.dependencies[\"${dep}\"]' package.json)/${dep}.tgz.asc"
+                            sh "gpg --verify ${dep}.tgz.asc ${dep}-*.tgz"
+                        }
+
                         sh """
                             FILENAME=\$(ls ${dep}-*.tgz)
                             SHA256_SUM=\$(sha256sum \$FILENAME | awk '{ print \$1 }')
@@ -23,21 +33,10 @@ pipeline {
                         """
                     }
 
-                    // Instalacja dependencies
-                    sh 'npm install'
-                }
-            }
-        }
-
-        stage('Verify GPG Signatures') {
-            steps {
-                script {
-                    // Weryfikacja podpisów cyfrowych
-                    def dependencies = sh(script: "jq -r '.dependencies | keys[]' package.json", returnStdout: true).split('\n')
-                    
-                    for (dep in dependencies) {
-                        sh "wget https://registry.npmjs.org/${dep}/-/\$(jq -r '.dependencies[\"${dep}\"]' package.json)/${dep}.tgz.asc"
-                        sh "gpg --verify ${dep}.tgz.asc ${dep}-*.tgz"
+                    if (unsignedPackages.size() > 0) {
+                        echo "Packages without digital signatures: ${unsignedPackages.join(', ')}"
+                    } else {
+                        echo "All packages have digital signatures."
                     }
                 }
             }