diff --git a/sidecar/fluentbit/Dockerfile b/sidecar/fluentbit/Dockerfile
index b638e0c1..d434e110 100644
--- a/sidecar/fluentbit/Dockerfile
+++ b/sidecar/fluentbit/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.20.7 as go-builder
+FROM golang:1.21.5 as go-builder
 RUN mkdir /build
 ADD ./out_gstdout /build/
 WORKDIR /build