diff --git a/sidecar/Dockerfile b/sidecar/Dockerfile
index b2ce8274..3d31eeb0 100644
--- a/sidecar/Dockerfile
+++ b/sidecar/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.20.7 as go-builder
+FROM golang:1.21.1 as go-builder
 RUN mkdir /build
 ADD ./out_gstdout /build/
 WORKDIR /build