diff --git a/Jenkinsfile b/Jenkinsfile
index d8f49f0..669e718 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -4,6 +4,12 @@
         }
     //label libraryBuild is available in CN JAWS and ROW JAWS, therefore this one was used; no additional intents     
     agent{label 'libraryBuild'}
+    
+    
+    //here comes the trigger according to crontabs
+    triggers {
+           cron('0 0 1 * *')
+    }
     environment {
         //ProxySettings
 	    AUTH = credentials('proxy')
@@ -29,6 +35,7 @@
         stage('install required packages') {
             steps {
                 sh '''
+                pip install -upgrade pip
                 pip install -r requirements.txt
                 '''
             }
diff --git a/requirements.txt b/requirements.txt
index 23d86e7..9444a88 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,6 @@
 python-decouple
 pyyaml
 pandas
-decouple
 requests
 datetime
 argparse
\ No newline at end of file