diff --git a/Dockerfile b/Dockerfile
index 2b39f57..14533e8 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -215,7 +215,7 @@ RUN curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y --pr
 
 ### RUBY ###
 
-ARG RUBY_VERSIONS="3.2.3 3.3.8 3.4.4"
+ARG RUBY_VERSIONS="3.2.3 3.3.8 3.4.4 3.4.5 3.4.6 3.4.7"
 RUN apt-get update && apt-get install -y --no-install-recommends \
     libyaml-dev=0.2.* \
     libgmp-dev=2:6.3.* \
diff --git a/README.md b/README.md
index e37aa4f..f3eb00b 100644
--- a/README.md
+++ b/README.md
@@ -51,7 +51,7 @@ The following environment variables can be set to configure runtime installation
 | `CODEX_ENV_RUST_VERSION`   | Rust version to install    | `1.83.0`, `1.84.1`, `1.85.1`, `1.86.0`, `1.87.0` |                                                                      |
 | `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`                |                                                                      |
+| `CODEX_ENV_RUBY_VERSION`   | Ruby version to install  | `3.2.3`, `3.3.8`, `3.4.4`, `3.4.5`, `3.4.6`, `3.4.7`                |                                                                      |
 | `CODEX_ENV_PHP_VERSION`   | PHP version to install  | `8.4`, `8.3`, `8.2`                |                                                                      |