diff --git a/.env b/.env
index 91311541..3a986af1 100644
--- a/.env
+++ b/.env
@@ -49,7 +49,7 @@ API_GATEWAY_VERSION=0.9.0-beta
 
 # pipeline-backend
 PIPELINE_BACKEND_IMAGE=instill/pipeline-backend
-PIPELINE_BACKEND_VERSION=0.21.0-beta
+PIPELINE_BACKEND_VERSION=0.21.1-beta
 PIPELINE_BACKEND_HOST=pipeline-backend
 PIPELINE_BACKEND_PRIVATEPORT=3081
 PIPELINE_BACKEND_PUBLICPORT=8081