diff --git a/ci/leptosfmt.Dockerfile b/ci/leptosfmt.Dockerfile
index 8b76449..5b1a770 100644
--- a/ci/leptosfmt.Dockerfile
+++ b/ci/leptosfmt.Dockerfile
@@ -5,12 +5,12 @@
 # Update: bump the pin hash and re-push.
 #
 # Uses the same Rust digest as the other CI steps for reproducibility.
-FROM rust:1.98-bookworm@sha256:93ce27a88655056a51dbdd8f5f2d7ddc071c7b0070fb288a37b5a285fc83971e AS build
+FROM rust:1.99-bookworm@sha256:59037199c44290f2befcdd58dcc540164763fc296950255aaefeef096a1866b0 AS build
 
 # Install leptosfmt into a global cargo bin dir so the runtime layer can COPY it.
 RUN rustup toolchain install 1.99.0 --profile minimal && \
     RUSTUP_TOOLCHAIN=1.99.0 cargo install leptosfmt --locked
 
 # Slim runtime: same digest, only the cargo bin dir copied.
-FROM rust:1.98-bookworm@sha256:93ce27a88655056a51dbdd8f5f2d7ddc071c7b0070fb288a37b5a285fc83971e
+FROM rust:1.99-bookworm@sha256:59037199c44290f2befcdd58dcc540164763fc296950255aaefeef096a1866b0
 COPY --from=build /usr/local/cargo/bin/leptosfmt /usr/local/bin/leptosfmt
diff --git a/gateway.Dockerfile b/gateway.Dockerfile
index 2052ac0..f9b3242 100644
--- a/gateway.Dockerfile
+++ b/gateway.Dockerfile
@@ -2,7 +2,7 @@
 #
 # Multi-stage build with cargo-chef for reproducible dependency caching
 # across the whole workspace.
-FROM rust:1.98.1-bookworm@sha256:93ce27a88655056a51dbdd8f5f2d7ddc071c7b0070fb288a37b5a285fc83971e AS chef
+FROM rust:1.99.0-bookworm@sha256:59037199c44290f2befcdd58dcc540164763fc296950255aaefeef096a1866b0 AS chef
 # Keep the reproducible Bookworm base pinned by digest, then install the
 # repository's current stable compiler explicitly so Docker image publication
 # lag cannot leave production builds on an older Rust release.
diff --git a/i18n-demo.Dockerfile b/i18n-demo.Dockerfile
index 520b724..e8cc546 100644
--- a/i18n-demo.Dockerfile
+++ b/i18n-demo.Dockerfile
@@ -1,7 +1,7 @@
 # Pinned by digest for reproducible builds.
 #
 # Multi-stage build for the i18n-demo Leptos crate.
-FROM rust:1.98.1-bookworm@sha256:93ce27a88655056a51dbdd8f5f2d7ddc071c7b0070fb288a37b5a285fc83971e AS chef
+FROM rust:1.99.0-bookworm@sha256:59037199c44290f2befcdd58dcc540164763fc296950255aaefeef096a1866b0 AS chef
 # Keep the reproducible Bookworm base pinned by digest, then install the
 # repository's current stable compiler explicitly so Docker image publication
 # lag cannot leave production builds on an older Rust release.
diff --git a/live-search.Dockerfile b/live-search.Dockerfile
index ac64296..9c727f9 100644
--- a/live-search.Dockerfile
+++ b/live-search.Dockerfile
@@ -5,7 +5,7 @@
 #   2. planner: produce a recipe.json over the whole workspace.
 #   3. builder: cargo chef cook the recipe (cached dependency build),
 #      then copy source and build the binary.
-FROM rust:1.98.1-bookworm@sha256:93ce27a88655056a51dbdd8f5f2d7ddc071c7b0070fb288a37b5a285fc83971e AS chef
+FROM rust:1.99.0-bookworm@sha256:59037199c44290f2befcdd58dcc540164763fc296950255aaefeef096a1866b0 AS chef
 # Keep the reproducible Bookworm base pinned by digest, then install the
 # repository's current stable compiler explicitly so Docker image publication
 # lag cannot leave production builds on an older Rust release.