diff --git a/Dockerfile.jenkins b/Dockerfile.jenkins
index cbc89e2..5cd4277 100644
--- a/Dockerfile.jenkins
+++ b/Dockerfile.jenkins
@@ -1,2 +1,2 @@
-FROM retropikzel1/compile-r7rs
-RUN apt-get update && apt-get install -y docker.io
+FROM retropikzel1/snow-test
+RUN apt-get update && apt-get install -y build-essential libffi-dev
diff --git a/Jenkinsfile b/Jenkinsfile
index 7fbd225..a3fd497 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -1,8 +1,8 @@
 pipeline {
     agent {
-        docker {
-            image 'retropikzel1/snow-test'
+        dockerfile {
             label 'docker-x86_64'
+            filename 'Dockerfile.jenkins'
             args '--user=root --privileged -v /var/run/docker.sock:/var/run/docker.sock'
         }
     }