diff --git a/build.pkr.hcl b/build.pkr.hcl
index b3a974e..de0ea76 100644
--- a/build.pkr.hcl
+++ b/build.pkr.hcl
@@ -78,13 +78,15 @@ build {
     ansible_env_vars = ["ANSIBLE_STDOUT_CALLBACK=yaml", "ANSIBLE_NOCOLOR=True"]
   }
 
-  post-processor "docker-tag" {
-    repository = "${local.ecr_repo}/${var.project_name}"
-    tag        = [local.tag]
-  }
+  post-processors {
+    post-processor "docker-tag" {
+      repository = "${local.ecr_repo}/${var.project_name}"
+      tag        = [local.tag]
+    }
 
-  post-processor "docker-push" {
-    ecr_login = true
-    login_server = "${local.aws_account_id}.dkr.ecr.${local.aws_region}.amazonaws.com"
+    post-processor "docker-push" {
+      ecr_login = true
+      login_server = "${local.aws_account_id}.dkr.ecr.${local.aws_region}.amazonaws.com"
+    }
   }
 }