diff --git a/kurl_util/deploy/Dockerfile b/kurl_util/deploy/Dockerfile
index 7837b9cb8c..385e9308b2 100644
--- a/kurl_util/deploy/Dockerfile
+++ b/kurl_util/deploy/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.20 AS build
+FROM golang:1.21 AS build
 
 WORKDIR /go/src/github.com/replicatedhq/kurl
 COPY kurl_util kurl_util