diff --git a/Jenkinsfile b/Jenkinsfile
index 7f8db07..3e13a44 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -5,8 +5,8 @@ pipeline {
     stage('Init') {
       steps {
         sh 'rbenv local 3.2.2'
-        sh 'echo \'ENV["APP_SESSION_SECRET"] = "$(openssl rand -base64 64)"\' > .env.rb'
-        sh 'echo "ENV[\"DB_NAME\"] ||= \"url_shortener.db\"" >> .env.rb'
+        sh 'echo \\\'ENV[\\\"APP_SESSION_SECRET\\\"]=$(ruby -rsecurerandom -e \\\"puts SecureRandom.base64(64).inspect\\\")\\\' > .env.rb'
+        sh 'echo "ENV[\\\"DB_NAME\\\"] ||= \\\"url_shortener.db\\\"" >> .env.rb'
         sh 'cat .env.rb'
       }
     }