diff --git a/Dockerfile.alpine b/Dockerfile.alpine
index 81d0be05..a7b7b094 100644
--- a/Dockerfile.alpine
+++ b/Dockerfile.alpine
@@ -1,7 +1,7 @@
 ARG DOCKER_GEN_VERSION=main
 
 # Build docker-gen from scratch
-FROM --platform=$BUILDPLATFORM golang:1.25.5-alpine AS go-builder
+FROM --platform=$BUILDPLATFORM golang:1.26rc2-alpine AS go-builder
 
 ENV CGO_ENABLED=0
 
diff --git a/Dockerfile.debian b/Dockerfile.debian
index 3d717b89..ac4c9ee8 100644
--- a/Dockerfile.debian
+++ b/Dockerfile.debian
@@ -1,7 +1,7 @@
 ARG DOCKER_GEN_VERSION=main
 
 # Build docker-gen from scratch
-FROM --platform=$BUILDPLATFORM golang:1.25.5 AS go-builder
+FROM --platform=$BUILDPLATFORM golang:1.26rc2 AS go-builder
 
 ENV CGO_ENABLED=0