diff --git a/.ci/Jenkinsfile b/.ci/Jenkinsfile
index 17a067e..8a229a3 100644
--- a/.ci/Jenkinsfile
+++ b/.ci/Jenkinsfile
@@ -13,13 +13,13 @@ pipeline {
             when { changeset "patches/*" } 
             steps {
                 sh 'cp patches/thy_output.ML .ci/isabelle4isadof/'
-                sh 'docker build --no-cache -t logicalhacking:isabelle4dof .ci/isabelle4isadof'
+                sh 'docker build --no-cache -t logicalhacking:isabelle4dof-2018 .ci/isabelle4isadof'
                 sh 'rm -f .ci/isabelle4isadof/thy_output.ML'
             }
         }
         stage('Build Isabelle/DOF') {
             steps {
-                sh 'docker run -v $PWD:/DOF logicalhacking:isabelle4dof  sh -c "cd /DOF && ./install && isabelle build -D ."'
+                sh 'docker run -v $PWD:/DOF logicalhacking:isabelle4dof-2018  sh -c "cd /DOF && ./install && isabelle build -D ."'
             } 
 	}
     }