diff --git a/examples/grpc-bridge/server/Dockerfile b/examples/grpc-bridge/server/Dockerfile
index 06c0265a2475..18d0c1e2059d 100644
--- a/examples/grpc-bridge/server/Dockerfile
+++ b/examples/grpc-bridge/server/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.18-bullseye@sha256:d146bc2ee9b0691f4f787bd9a8bf12e3c01a4618ea982d11fe9401b86211e2a7 as builder
+FROM golang:1.20-bullseye@sha256:a5336c860124867f61687e95bc7fe15974fd0d5a2efded477965a793e2ab9038 as builder
 
 WORKDIR /build