diff --git a/Dockerfile b/Dockerfile
index 55a6e3ef..e4458ef0 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -5,7 +5,7 @@
 ##
 
 # Cross compile from native platform to target arch
-FROM --platform=$BUILDPLATFORM golang:1.25.6-alpine as go
+FROM --platform=$BUILDPLATFORM golang:1.26rc3-alpine as go
 WORKDIR /build
 COPY --link go.mod go.sum .
 COPY --link ./proxy-init ./proxy-init
diff --git a/Dockerfile-cni-plugin b/Dockerfile-cni-plugin
index 7b67acf6..f5d13155 100644
--- a/Dockerfile-cni-plugin
+++ b/Dockerfile-cni-plugin
@@ -1,7 +1,7 @@
 # syntax=docker/dockerfile:1.4
 
 # Cross compile from native platform to target arch
-FROM --platform=$BUILDPLATFORM golang:1.25.6-alpine as go
+FROM --platform=$BUILDPLATFORM golang:1.26rc3-alpine as go
 WORKDIR /build
 COPY --link go.mod go.sum ./
 COPY --link ./cni-plugin ./cni-plugin