diff --git a/docker/Dockerfile.unified b/docker/Dockerfile.unified
index d396d9ea..0d9aa607 100644
--- a/docker/Dockerfile.unified
+++ b/docker/Dockerfile.unified
@@ -17,7 +17,7 @@
 # ------------------------------------------------------------------------------
 # Stage 1: Build Web Frontend
 # ------------------------------------------------------------------------------
-FROM --platform=$BUILDPLATFORM oven/bun:1.3.14-alpine AS web-builder
+FROM --platform=$BUILDPLATFORM oven/bun:1.4.3-alpine AS web-builder
 
 WORKDIR /build
 
@@ -47,7 +47,7 @@ RUN bun run build
 # `bun build --compile --target`, so multi-arch builds never touch qemu here.
 # Uses the Debian (glibc) Bun image so the produced binary matches the glibc
 # distroless/cc runtime below (the -alpine image would emit a musl binary).
-FROM --platform=$BUILDPLATFORM oven/bun:1.3.14 AS server-builder
+FROM --platform=$BUILDPLATFORM oven/bun:1.4.3 AS server-builder
 
 ARG TARGETARCH