diff --git a/vars/buildContainerImage2.groovy b/vars/buildContainerImage2.groovy
index d7d5e3b..34b1596 100644
--- a/vars/buildContainerImage2.groovy
+++ b/vars/buildContainerImage2.groovy
@@ -118,10 +118,10 @@ def runInPod(args, block) {
         def tmpl = readYaml(text: podTemplateYaml)
         tmpl.spec.containers.each { c ->
             c.resources = c.resources ?: [:]
-            c.resources.requests = c.resources.requests ?: [:]
-            c.resources.limits = c.resources.limits ?: [:]
-            c.resources.requests += resources
-            c.resources.limits += resources
+            c.resources.putAll([
+                requests: (c.resources.requests ?: [:]) + resources,
+                limits: (c.resources.requests ?: [:]) + resources,
+            ])
         }
         podTemplateYaml = writeYaml(data: tmpl, returnText: true)
         echo podTemplateYaml