diff --git a/Dockerfile b/Dockerfile
index b244633..a9aa988 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -67,7 +67,7 @@ RUN --mount=type=cache,target=/var/cache/apt,sharing=locked \
         sqlite3=3.45.* \
         swig3.0=3.0.* \
         tk-dev=8.6.* \
-        tzdata=2025b-* \
+        tzdata=2026a-* \
         universal-ctags=5.9.* \
         unixodbc-dev=2.3.* \
         unzip=6.0-* \
@@ -225,7 +225,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
 
 ### RUST ###
 
-ARG RUST_VERSIONS="1.92.0 1.91.1 1.90.0 1.89.0 1.88.0 1.87.0 1.86.0 1.85.1 1.84.1 1.83.0"
+ARG RUST_VERSIONS="1.93.0 1.92.0 1.91.1 1.90.0 1.89.0 1.88.0 1.87.0 1.86.0 1.85.1 1.84.1 1.83.0"
 RUN --mount=type=cache,target=/root/.cargo/registry \
     --mount=type=cache,target=/root/.cargo/git \
     curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y --profile minimal --default-toolchain none \
diff --git a/README.md b/README.md
index 23acfd5..8561e86 100644
--- a/README.md
+++ b/README.md
@@ -48,7 +48,7 @@ The following environment variables can be set to configure runtime installation
 | -------------------------- | -------------------------- | ------------------------------------------------ | -------------------------------------------------------------------- |
 | `CODEX_ENV_PYTHON_VERSION` | Python version to install  | `3.10`, `3.11.12`, `3.12`, `3.13`, `3.14.0`        | `pyenv`, `poetry`, `uv`, `ruff`, `black`, `mypy`, `pyright`, `isort` |
 | `CODEX_ENV_NODE_VERSION`   | Node.js version to install | `18`, `20`, `22`                                 | `corepack`, `yarn`, `pnpm`, `npm`                                    |
-| `CODEX_ENV_RUST_VERSION`   | Rust version to install    | `1.83.0`, `1.84.1`, `1.85.1`, `1.86.0`, `1.87.0`, `1.88.0`, `1.89.0`, `1.90`, `1.91.1`, `1.92.0` |                                                                      |
+| `CODEX_ENV_RUST_VERSION`   | Rust version to install    | `1.83.0`, `1.84.1`, `1.85.1`, `1.86.0`, `1.87.0`, `1.88.0`, `1.89.0`, `1.90`, `1.91.1`, `1.92.0`, `1.93.0` |                                                                      |
 | `CODEX_ENV_GO_VERSION`     | Go version to install      | `1.22.12`, `1.23.8`, `1.24.3`, `1.25.1`           |                                                                      |
 | `CODEX_ENV_SWIFT_VERSION`  | Swift version to install   | `5.10`, `6.1`, `6.2`                              |                                                                      |
 | `CODEX_ENV_RUBY_VERSION`   | Ruby version to install  | `3.2.3`, `3.3.8`, `3.4.4`                |                                                                      |