diff --git a/Dockerfile b/Dockerfile
index c5b3634..7426f8e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -12,7 +12,7 @@ COPY web/ .
 RUN npm run build
 
 # Stage 2: Build Go binary
-FROM golang:1.22-alpine AS builder
+FROM golang:1.25-alpine AS builder
 
 RUN apk add --no-cache git ca-certificates tzdata
 
diff --git a/Dockerfile.agent b/Dockerfile.agent
index a4aeaca..8cb3058 100644
--- a/Dockerfile.agent
+++ b/Dockerfile.agent
@@ -1,6 +1,6 @@
 # Multi-stage build for certctl agent
 # Stage 1: Build
-FROM golang:1.22-alpine AS builder
+FROM golang:1.25-alpine AS builder
 
 RUN apk add --no-cache git ca-certificates