diff --git a/content/code-security/reference/supply-chain-security/dependabot-options-reference.md b/content/code-security/reference/supply-chain-security/dependabot-options-reference.md
index 01d39a3ada2b..344796e6c249 100644
--- a/content/code-security/reference/supply-chain-security/dependabot-options-reference.md
+++ b/content/code-security/reference/supply-chain-security/dependabot-options-reference.md
@@ -258,6 +258,9 @@ The table below shows the package managers that support `cooldown`. The `default
 | {% ifversion dependabot-julia-support %} |
 | Julia                 | {% octicon "check" aria-label="Supported" %}              | {% octicon "check" aria-label="Supported" %} |
 | {% endif %} |
+| {% ifversion dependabot-kotlin-toolchain-support %} |
+| Kotlin Toolchain      | {% octicon "check" aria-label="Supported" %}              | {% octicon "check" aria-label="Supported" %} |
+| {% endif %} |
 | Maven                 | {% octicon "check" aria-label="Supported" %}              | {% octicon "check" aria-label="Supported" %} |
 | {% ifversion dependabot-nix-support %} |
 | Nix flakes            | {% octicon "check" aria-label="Supported" %}              | {% octicon "x" aria-label="Not supported" %} |
@@ -309,8 +312,32 @@ If you need to use more than one block in the configuration file to define updat
 
 ## `enable-beta-ecosystems` {% octicon "versions" aria-label="Version updates only" height="24" %}
 
+{% ifversion dependabot-kotlin-toolchain-support %}
+
+By default, {% data variables.product.prodname_dependabot %} updates the dependency manifests and lock files only for fully supported ecosystems. Use the `enable-beta-ecosystems` flag to opt in to updates for ecosystems that are not yet generally available.
+
+Ecosystems currently in {% data variables.release-phases.public_preview %}:
+
+* Kotlin Toolchain (`kotlin-toolchain`)
+
+```yaml copy
+# Configure an ecosystem in public preview
+
+version: 2
+enable-beta-ecosystems: true
+updates:
+  - package-ecosystem: "kotlin-toolchain"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+```
+
+{% else %}
+
 Not currently in use.
 
+{% endif %}
+
 ## `groups` {% octicon "versions" aria-label="Version updates" height="24" %} {% octicon "shield-check" aria-label="Security updates" height="24" %}
 
 Define rules to create one or more sets of dependencies managed by a package manager, to group updates into fewer, targeted pull requests. For examples, see [AUTOTITLE](/code-security/tutorials/secure-your-dependencies/optimizing-pr-creation-version-updates).
@@ -589,6 +616,9 @@ Package manager | YAML value      | Supported versions |
 | {% data variables.product.prodname_actions %}  | `github-actions` | Not applicable |
 | Go modules     | `gomod`          | v1               |
 | Gradle        | `gradle`         | Not applicable   |
+| {% ifversion dependabot-kotlin-toolchain-support %} |
+| Kotlin Toolchain | `kotlin-toolchain` | >=v0.11   |
+| {% endif %} |
 | Maven      | `maven`          | Not applicable   |
 | {% ifversion dependabot-nix-support %} |
 | Nix flakes | `nix`            | Not applicable   |
diff --git a/data/features/dependabot-kotlin-toolchain-support.yml b/data/features/dependabot-kotlin-toolchain-support.yml
new file mode 100644
index 000000000000..53c676a6d4ac
--- /dev/null
+++ b/data/features/dependabot-kotlin-toolchain-support.yml
@@ -0,0 +1,6 @@
+# Reference: https://github.com/dependabot/dependabot-core/pull/16203
+# Kotlin Toolchain support for Dependabot
+versions:
+  fpt: '*'
+  ghec: '*'
+  ghes: '>3.22'
diff --git a/data/reusables/dependabot/dependabot-updates-supported-versioning-tags.md b/data/reusables/dependabot/dependabot-updates-supported-versioning-tags.md
index 68cfa4e6717d..09db8850e9ef 100644
--- a/data/reusables/dependabot/dependabot-updates-supported-versioning-tags.md
+++ b/data/reusables/dependabot/dependabot-updates-supported-versioning-tags.md
@@ -45,6 +45,9 @@ The `dependabot.yml` file doesn't control the versioning tags that you can use,
 | {% ifversion dependabot-julia-support %} |
 | Julia               | `julia`        | Any SemVer prerelease identifier (commonly `rc`, `DEV`, `beta`) | `HTTP@1.10.0-rc1`, `Plots@2.0.0-DEV`, `DataFrames@1.6.0-beta.1` |
 | {% endif %} |
+| {% ifversion dependabot-kotlin-toolchain-support %} |
+| Kotlin Toolchain    | `kotlin-toolchain` | `alpha`, `a`, `beta`, `b`, `milestone`, `m`, `rc`, `cr`, `snapshot`, `ga`, `final`, `release`, `sp` (case-insensitive) | `kotlin-toolchain@0.12.0-dev-4188`, `kotlinx-coroutines-core@1.10.0-RC`, `ktor-server-core@3.0.0-rc-1` |
+| {% endif %} |
 | {% ifversion dependabot-nix-support %} |
 | Nix                 | `nix`          | None—tracks flake input commits (no versioning scheme) | `nixpkgs@a1b2c3d`, `devenv@e4f5a6b`, `flake-utils@c7d8e9f` |
 | {% endif %} |
diff --git a/data/reusables/dependabot/supported-package-managers.md b/data/reusables/dependabot/supported-package-managers.md
index d3f3716f5143..ce715b7ab327 100644
--- a/data/reusables/dependabot/supported-package-managers.md
+++ b/data/reusables/dependabot/supported-package-managers.md
@@ -29,6 +29,9 @@ git submodule  | `gitsubmodule`   | Not applicable | {% octicon "check" aria-lab
 [{% data variables.product.prodname_actions %}](#github-actions)   | `github-actions` | Not applicable | {% octicon "check" aria-label="Supported" %} | {% octicon "check" aria-label="Supported" %} | {% octicon "check" aria-label="Supported" %} | {% octicon "check" aria-label="Supported" %} | Not applicable |
 Go modules     | `gomod`          | v1               | {% octicon "check" aria-label="Supported" %} | {% octicon "check" aria-label="Supported" %} | {% octicon "check" aria-label="Supported" %} | {% octicon "x" aria-label="Not supported" %} | {% octicon "check" aria-label="Supported" %} |
 [Gradle](#gradle)         | `gradle`         | Not applicable   | {% octicon "check" aria-label="Supported" %} | {% octicon "check" aria-label="Supported" %} | {% octicon "check" aria-label="Supported" %} | {% octicon "check" aria-label="Supported" %} | {% octicon "x" aria-label="Not supported" %} |
+| {% ifversion dependabot-kotlin-toolchain-support %} |
+[Kotlin Toolchain](#kotlin-toolchain) ({% data variables.release-phases.public_preview %}) | `kotlin-toolchain` | >=v0.11 | {% octicon "check" aria-label="Supported" %} | {% octicon "check" aria-label="Supported" %} | {% octicon "check" aria-label="Supported" %} | {% octicon "check" aria-label="Supported" %} | {% octicon "x" aria-label="Not supported" %} |
+| {% endif %} |
 [Maven](#maven)       | `maven`          | Not applicable   | {% octicon "check" aria-label="Supported" %} | {% octicon "check" aria-label="Supported" %} | {% octicon "check" aria-label="Supported" %} | {% octicon "check" aria-label="Supported" %} | {% octicon "x" aria-label="Not supported" %} |
 | {% ifversion dependabot-nix-support %} |
 [Nix](#nix)    | `nix`         | Not applicable               | {% octicon "check" aria-label="Supported" %} | {% octicon "x" aria-label="Not supported" %} | {% octicon "x" aria-label="Not supported" %} | Not applicable | Not applicable |
@@ -163,6 +166,27 @@ The `helm-registry` type only supports HTTP Basic Auth and does not support OCI-
 
 When configuring {% data variables.product.prodname_dependabot %} for Helm charts, it will also automatically update the Docker images referenced within those charts, ensuring that both the chart versions and their contained images stay up to date.
 
+{% ifversion dependabot-kotlin-toolchain-support %}
+
+### Kotlin Toolchain
+
+{% data variables.product.prodname_dependabot %} support for Kotlin Toolchain is in {% data variables.release-phases.public_preview %}. To enable it, set `enable-beta-ecosystems: true` in your `dependabot.yml` file. For more information, see [`enable-beta-ecosystems`](/code-security/reference/supply-chain-security/dependabot-options-reference#enable-beta-ecosystems-).
+
+{% data variables.product.prodname_dependabot %} reads the toolchain version from the `kotlin` and `kotlin.bat` wrapper scripts in your project. Versions 0.11 and later are supported.
+
+{% data variables.product.prodname_dependabot %} updates Maven dependencies in the following files without running the toolchain:
+
+* `project.yaml`
+* `module.yaml`
+* `*.module-template.yaml`
+* `libs.versions.toml` or `gradle/libs.versions.toml`
+
+{% data variables.product.prodname_dependabot %} also updates the `kotlin` and `kotlin.bat` wrapper scripts when a new toolchain version is available. Kotlin Toolchain projects don't use a lockfile.
+
+Private registry support uses the `maven-repository` type, including `replaces-base`. For more information, see `maven-repository` in [AUTOTITLE](/code-security/how-tos/secure-your-supply-chain/manage-your-dependency-security/configure-access-to-private-registries#maven-repository).
+
+{% endif %}
+
 ### Maven
 
 {% data variables.product.prodname_dependabot %} doesn't run Maven but supports updates to `pom.xml` files.