diff --git a/ci/Jenkinsfile b/ci/Jenkinsfile
index 8f596dc..2248dee 100644
--- a/ci/Jenkinsfile
+++ b/ci/Jenkinsfile
@@ -5,7 +5,9 @@ pipeline {
         kubernetes {
             yamlFile 'ci/podTemplate.yaml'
             defaultContainer 'buildroot'
-            workspaceVolume dynamicPVC()
+            workspaceVolume dynamicPVC(
+                requestsSize: '20Gi',
+            )
         }
     }