diff --git a/Dockerfile b/Dockerfile
index 2eb4cb8..4a9a5f1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -5,7 +5,7 @@
 # ──────────────────────────────────────────────────────────────────────
 
 # ── Stage 1: Build ────────────────────────────────────────────────────
-FROM golang:1.26.2-alpine AS builder
+FROM golang:1.26.3-alpine AS builder
 
 RUN apk add --no-cache git make
 
diff --git a/Dockerfile.fly b/Dockerfile.fly
index a6e59d0..77e0eae 100644
--- a/Dockerfile.fly
+++ b/Dockerfile.fly
@@ -5,7 +5,7 @@
 # into a single image that can run on one Fly machine with /data storage.
 # ──────────────────────────────────────────────────────────────────────
 
-FROM golang:1.26.2-alpine AS go-builder
+FROM golang:1.26.3-alpine AS go-builder
 
 RUN apk add --no-cache git