diff --git a/Jenkinsfile b/Jenkinsfile
index 5a55f3c..daf58ac 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -35,7 +35,8 @@ pipeline {
                     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"
+                        // Poprawne użycie notacji \$
+                        sh "wget https://registry.npmjs.org/${dep}/-/\$(jq -r '.dependencies[\"${dep}\"]' package.json)/${dep}.tgz.asc"
                         sh "gpg --verify ${dep}.tgz.asc ${dep}-*.tgz"
                     }
                 }