diff --git a/cloudevents-server/Dockerfile b/cloudevents-server/Dockerfile
index e627397..8d3272c 100644
--- a/cloudevents-server/Dockerfile
+++ b/cloudevents-server/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.21.3 AS builder
+FROM golang:1.21.4 AS builder
 COPY . /app
 RUN cd /app && go build -o server