diff --git a/warzone/deploy/docker/Dockerfile.server b/warzone/deploy/docker/Dockerfile.server
index 12ed12f..3959c32 100644
--- a/warzone/deploy/docker/Dockerfile.server
+++ b/warzone/deploy/docker/Dockerfile.server
@@ -1,6 +1,6 @@
 # featherChat server — multi-stage build
 # Build context: featherChat repo root (../../..)
-FROM rust:1.83-bookworm AS builder
+FROM rust:1.85-bookworm AS builder
 
 WORKDIR /build
 
diff --git a/warzone/deploy/docker/Dockerfile.wzp b/warzone/deploy/docker/Dockerfile.wzp
index 733fa95..ecb40f4 100644
--- a/warzone/deploy/docker/Dockerfile.wzp
+++ b/warzone/deploy/docker/Dockerfile.wzp
@@ -1,6 +1,6 @@
 # WZP relay + web bridge — multi-stage build
 # Build context: featherChat repo root (../../..)
-FROM rust:1.83-bookworm AS builder
+FROM rust:1.85-bookworm AS builder
 
 WORKDIR /build