diff --git a/Jenkinsfile b/Jenkinsfile
index 4766e39..b7361c9 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -19,6 +19,10 @@ pipeline {
     }
 
     stages {
+        stage('Docker image warmup') {
+            sh "docker build -f Dockerfile.test"
+        }
+
         stage('R6RS') {
             steps {
                 script {