diff --git a/cmd/vela-worker/exec.go b/cmd/vela-worker/exec.go
index d5d7f7a3..32bd7ca6 100644
--- a/cmd/vela-worker/exec.go
+++ b/cmd/vela-worker/exec.go
@@ -144,8 +144,11 @@ func (w *Worker) exec(index int, config *api.Worker) error {
 		break
 	}
 
-	// set the outputs container ID
-	w.Config.Executor.OutputCtn.ID = fmt.Sprintf("outputs_%s", p.ID)
+	// dereference configured outputs ctn config and set the outputs container ID for the executor
+	//
+	// need to dereference to avoid executors sharing the last set outputs container config
+	execOutputCtn := *w.Config.Executor.OutputCtn
+	execOutputCtn.ID = fmt.Sprintf("outputs_%s", p.ID)
 
 	// create logger with extra metadata
 	//
@@ -238,7 +241,7 @@ func (w *Worker) exec(index int, config *api.Worker) error {
 		Build:               item.Build,
 		Pipeline:            p.Sanitize(w.Config.Runtime.Driver),
 		Version:             v.Semantic(),
-		OutputCtn:           w.Config.Executor.OutputCtn,
+		OutputCtn:           &execOutputCtn,
 	})
 
 	// add the executor to the worker
diff --git a/docker-compose.yml b/docker-compose.yml
index 851544d1..1f74b915 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -22,7 +22,7 @@ services:
       QUEUE_DRIVER: redis
       # comment the line below to source Redis address from server
       QUEUE_ADDR: 'redis://redis:6379'
-      VELA_BUILD_LIMIT: 1
+      VELA_BUILD_LIMIT: 3
       VELA_BUILD_TIMEOUT: 30m
       VELA_LOG_LEVEL: trace
       VELA_RUNTIME_DRIVER: docker