diff --git a/README.md b/README.md
index 550e906..b3046b8 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@ A GitHub Action that executes commands on non-x86 CPU architecture (armv6, armv7
 This action requires three input parameters:
 
 * `arch`: CPU architecture: `armv6`, `armv7`, `aarch64`, `riscv64`, `s390x`, or `ppc64le`. See [Supported Platforms](#supported-platforms) for the full matrix.
-* `distro`: Linux distribution name: `ubuntu22.04`,`ubuntu20.04`, `bullseye`, `buster`, `stretch`,  `fedora_latest`, `alpine_latest` or `archarm_latest`. See [Supported Platforms](#supported-platforms) for the full matrix.
+* `distro`: Linux distribution name: `ubuntu22.04`,`ubuntu20.04`, `bookworm`,`bullseye`, `buster`, `stretch`,  `fedora_latest`, `alpine_latest` or `archarm_latest`. See [Supported Platforms](#supported-platforms) for the full matrix.
 * `run`: Shell commands to execute in the container.
 
 The action also accepts some optional input parameters:
@@ -152,12 +152,12 @@ This table details the valid `arch`/`distro` combinations:
 
 | arch     | distro     |
 | -------- | ---------- |
-| armv6    | stretch, buster, bullseye, alpine_latest |
-| armv7    | stretch, buster, bullseye, ubuntu20.04, ubuntu22.04, ubuntu_latest, ubuntu_rolling, ubuntu_devel, fedora_latest, alpine_latest, archarm_latest |
-| aarch64  | stretch, buster, bullseye, ubuntu20.04, ubuntu22.04, ubuntu_latest, ubuntu_rolling, ubuntu_devel, fedora_latest, alpine_latest, archarm_latest |
+| armv6    | stretch, buster, bullseye, bookworm, alpine_latest |
+| armv7    | stretch, buster, bullseye, bookworm, ubuntu20.04, ubuntu22.04, ubuntu_latest, ubuntu_rolling, ubuntu_devel, fedora_latest, alpine_latest, archarm_latest |
+| aarch64  | stretch, buster, bullseye, bookworm, ubuntu20.04, ubuntu22.04, ubuntu_latest, ubuntu_rolling, ubuntu_devel, fedora_latest, alpine_latest, archarm_latest |
 | riscv64  | ubuntu20.04, ubuntu22.04, ubuntu_latest, ubuntu_rolling, ubuntu_devel, alpine_edge |
-| s390x    | stretch, buster, bullseye, ubuntu20.04, ubuntu22.04, ubuntu_latest, ubuntu_rolling, ubuntu_devel, alpine_latest |
-| ppc64le  | stretch, buster, bullseye, ubuntu20.04, ubuntu22.04, ubuntu_latest, ubuntu_rolling, ubuntu_devel, alpine_latest |
+| s390x    | stretch, buster, bullseye, bookworm, ubuntu20.04, ubuntu22.04, ubuntu_latest, ubuntu_rolling, ubuntu_devel, alpine_latest |
+| ppc64le  | stretch, buster, bullseye, bookworm, ubuntu20.04, ubuntu22.04, ubuntu_latest, ubuntu_rolling, ubuntu_devel, alpine_latest |
 
 
 Using an invalid `arch`/`distro` combination will fail.