diff --git a/Jenkinsfile b/Jenkinsfile
index 0a878bc..949e12f 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -74,8 +74,8 @@ pipeline {
         stage('Backend') {
           steps {
             dir(path: 'src/backend') {
-              sh "APP_SECRET=`php8.0 -r 'echo md5(\"branch=${BRANCH_NAME};\");'` && sed -i \"s/APP_SECRET=.*/APP_SECRET=${APP_SECRET}/g\" .env.test"
-              sh "sed -i \"s+DATABASE_URL=.*+DATABASE_URL=${DatabaseUrlTesting}+g\" .env.test"
+              sh "APP_SECRET=`php8.0 -r 'echo md5(\"branch=${BRANCH_NAME};\");'` && echo $APP_SECRET | php8.0 ../../tools/putenv/putenv.php .env.test APP_SECRET"
+              sh "php8.0 ../../tools/putenv/putenv.php .env.test DATABASE_URL \"${DatabaseUrlTesting}\""
               sh 'php8.0 /usr/local/bin/composer dump-env test'
               sh 'php8.0 bin/console doctrine:schema:update --force';
             }
@@ -123,8 +123,8 @@ pipeline {
         stage('Backend') {
           steps {
             dir(path: 'src/backend') {
-              sh "APP_SECRET=`php8.0 -r 'echo md5(\"branch=${BRANCH_NAME};\");'` && sed -i \"s/APP_SECRET=.*/APP_SECRET=${APP_SECRET}/g\" .env"
-              sh "sed -i \"s+DATABASE_URL=.*+DATABASE_URL=${DatabaseUrl}+g\" .env"
+              sh "APP_SECRET=`php8.0 -r 'echo md5(\"branch=${BRANCH_NAME};\");'` && echo $APP_SECRET | php8.0 ../../tools/putenv/putenv.php .env APP_SECRET"
+              sh "php8.0 ../../tools/putenv/putenv.php .env DATABASE_URL \"${DatabaseUrl}\""
               sh 'php8.0 /usr/local/bin/composer dump-env prod'
             }