diff --git a/outpost/proxy.Dockerfile b/outpost/proxy.Dockerfile
index 261bc723c..6ef2cecf8 100644
--- a/outpost/proxy.Dockerfile
+++ b/outpost/proxy.Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.15 AS builder
+FROM golang:1.16.0 AS builder
 
 WORKDIR /work