From 87794eef79cc9c3b95e40cd9217d6ebbd0fcf272 Mon Sep 17 00:00:00 2001
From: "Achim D. Brucker" <adbrucker@0x5f.org>
Date: Thu, 23 Dec 2021 20:39:09 +0000
Subject: [PATCH] Updated Isabelle version.

---
 .ci/Jenkinsfile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.ci/Jenkinsfile b/.ci/Jenkinsfile
index e59b119..36ce2b2 100644
--- a/.ci/Jenkinsfile
+++ b/.ci/Jenkinsfile
@@ -3,7 +3,7 @@ pipeline {
     stages {
         stage('Build') {
             steps {
-                sh 'docker run -v $PWD/:/WORKING logicalhacking:isabelle2019 isabelle build -D /WORKING'
+                sh 'docker run -v $PWD/:/WORKING logicalhacking:isabelle2020-1 isabelle build -D /WORKING'
             }
         }
     }