diff --git a/README.md b/README.md
index 4b6b9e08..52da7b8c 100644
--- a/README.md
+++ b/README.md
@@ -1,9 +1,10 @@
 # ~~OSBuild~~ Debian Forge
 
-A
- fork of osbuild, but for debian.
+A fork of osbuild, but for debian.
 Try to be as close as 1:1 os possible
 
+**Supports Debian 13+ (Trixie and newer)**
+
 Build-Pipelines for Operating System Artifacts
 
 OSBuild is a pipeline-based build system for operating system artifacts. It
@@ -48,11 +49,12 @@ Additionally, the built-in stages require:
  * `coreutils >= 8.31`
  * `curl >= 7.68`
  * `qemu-img >= 4.2.0`
- * `rpm >= 4.15`
+ * `debootstrap >= 1.0.0`
+ * `mmdebstrap >= 1.0.0`
  * `tar >= 1.32`
  * `util-linux >= 235`
  * `skopeo`
- * `python3-librepo`
+ * `ostree >= 2023.1`
 
 At build-time, the following software is required:
 
@@ -63,6 +65,18 @@ Testing requires additional software:
 
  * `pytest`
 
+## Debian Support
+
+**Debian Forge supports Debian 13+ (Trixie and newer):**
+
+- **trixie** (Debian 13) - **STABLE** - Recommended for production
+- **forky** (Debian 14) - **TESTING** - For development and testing  
+- **sid** (Debian Unstable) - **UNSTABLE** - Use with caution
+
+**Older releases are not supported:**
+- **bookworm** (Debian 12) - OLDSTABLE - Limited compatibility
+- **bullseye** (Debian 11) - OLDOLDSTABLE - Not supported
+
 ## Running locally
 
 The main binary is safe to run on your development machine with:
@@ -71,7 +85,7 @@ The main binary is safe to run on your development machine with:
 
 To build an image:
 
-    python3 -m osbuild --libdir . ./test/data/manifests/fedora-boot.json
+    python3 -m osbuild --libdir . ./test/test-debian-manifest.json
 
 Every osbuild run uses a cache for downloaded files (sources) and, optionally,
 checkpoints of artifacts built by stages and pipelines. By default, this is
@@ -93,7 +107,7 @@ Also keep in mind that some tests require those prerequisites,
 otherwise they are skipped
 
 ```
-sudo dnf install -y systemd-boot-unsigned erofs-utils pykickstart podman xfsprogs
+sudo apt install -y debootstrap mmdebstrap sbuild schroot ostree qemu-utils
 ```
 
 ## Installation
diff --git a/config/README.md b/config/README.md
index 40aa3d1e..cf9ce741 100644
--- a/config/README.md
+++ b/config/README.md
@@ -65,12 +65,26 @@ url = http://localhost:3142
 ### build Section
 ```ini
 [build]
-default_suite = bookworm
+# We support Debian 13+ (Trixie and newer)
+# Current Debian releases:
+# - trixie (Debian 13) - STABLE (recommended)
+# - forky (Debian 14) - TESTING
+# - sid (Debian Unstable) - UNSTABLE (use with caution)
+default_suite = trixie
 default_arch = amd64
 timeout = 3600
 jobs = 4
 ```
 
+**Debian Release Status (as of 2024):**
+- **trixie** (Debian 13) - **STABLE** - Recommended for production
+- **forky** (Debian 14) - **TESTING** - For development and testing
+- **sid** (Debian Unstable) - **UNSTABLE** - Use with caution
+- **bookworm** (Debian 12) - **OLDSTABLE** - Limited support
+- **bullseye** (Debian 11) - **OLDOLDSTABLE** - Not supported
+
+**Note**: Debian Forge supports **Debian 13+ (Trixie and newer)**. Older releases may have compatibility issues.
+
 ### stages Section
 ```ini
 [stages]
@@ -97,7 +111,7 @@ You can override any configuration setting using environment variables:
 export DEBIAN_FORGE_APT_PROXY=http://localhost:3142
 
 # Override default suite
-export DEBIAN_FORGE_DEFAULT_SUITE=trixie
+export DEBIAN_FORGE_DEFAULT_SUITE=forky
 
 # Override default architecture
 export DEBIAN_FORGE_DEFAULT_ARCH=arm64
@@ -162,3 +176,9 @@ The `debian-forge-config` tool provides several commands:
 - Remember the priority order
 - Stage options override configuration files
 - Use `./tools/debian-forge-config show` to see current values
+
+### Debian version compatibility?
+- We support Debian 13+ (Trixie and newer)
+- Older releases may have compatibility issues
+- Use `trixie` (stable) for production builds
+- Use `forky` (testing) for development
diff --git a/config/debian-forge.conf b/config/debian-forge.conf
index 1bbea06d..59886bef 100644
--- a/config/debian-forge.conf
+++ b/config/debian-forge.conf
@@ -19,7 +19,12 @@ url =
 [build]
 # Build environment settings
 # Default Debian suite to use
-default_suite = bookworm
+# We support Debian 13+ (Trixie and newer)
+# Current Debian releases:
+# - trixie (Debian 13) - STABLE (recommended)
+# - forky (Debian 14) - TESTING
+# - sid (Debian Unstable) - UNSTABLE (use with caution)
+default_suite = trixie
 
 # Default architecture
 default_arch = amd64