diff --git a/proxy-init/integration/iptables/Dockerfile-tester b/proxy-init/integration/iptables/Dockerfile-tester
index eb7372ee..046fa346 100644
--- a/proxy-init/integration/iptables/Dockerfile-tester
+++ b/proxy-init/integration/iptables/Dockerfile-tester
@@ -1,4 +1,4 @@
-FROM golang:1.22-alpine
+FROM golang:1.23-alpine
 ENV GOCACHE=/tmp/
 WORKDIR /src
 COPY go.mod go.sum .