diff --git a/.github/dependabot.yaml b/.github/dependabot.yaml
index 910f9d6..039d3d8 100644
--- a/.github/dependabot.yaml
+++ b/.github/dependabot.yaml
@@ -1,27 +1,206 @@
-# To get started with Dependabot version updates, you'll need to specify which
-# package ecosystems to update and where the package manifests are located.
-# Please see the documentation for all configuration options:
-# https://docs.github.com/code-security/dependabot/dependabot-version-updates/configuration-options-for-the-dependabot.yml-file
+# Canonical Dependabot configuration - identical across all repositories and branches.
+# Managed by gvatsal60/.github; keep in sync when the supported ecosystem list changes.
+# Supported ecosystems reference:
+# https://docs.github.com/en/code-security/reference/supply-chain-security/supported-ecosystems-and-repositories
+# All configuration options reference:
+# https://docs.github.com/en/code-security/reference/dependabot-options-reference
 version: 2
 updates:
-  # Devcontainers
+  - package-ecosystem: "bazel"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+      day: "saturday"
+      time: "09:00"
+  - package-ecosystem: "bun"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+      day: "saturday"
+      time: "09:00"
+  - package-ecosystem: "bundler"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+      day: "saturday"
+      time: "09:00"
+  - package-ecosystem: "cargo"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+      day: "saturday"
+      time: "09:00"
+  - package-ecosystem: "composer"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+      day: "saturday"
+      time: "09:00"
+  - package-ecosystem: "conda"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+      day: "saturday"
+      time: "09:00"
+  - package-ecosystem: "deno"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+      day: "saturday"
+      time: "09:00"
   - package-ecosystem: "devcontainers"
     directory: "/"
     schedule:
       interval: "weekly"
       day: "saturday"
       time: "09:00"
-  # GitHub Actions
+  - package-ecosystem: "docker"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+      day: "saturday"
+      time: "09:00"
+  - package-ecosystem: "docker-compose"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+      day: "saturday"
+      time: "09:00"
+  - package-ecosystem: "dotnet-sdk"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+      day: "saturday"
+      time: "09:00"
+  - package-ecosystem: "elm"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+      day: "saturday"
+      time: "09:00"
+  - package-ecosystem: "gitsubmodule"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+      day: "saturday"
+      time: "09:00"
   - package-ecosystem: "github-actions"
     directory: "/"
     schedule:
       interval: "weekly"
       day: "saturday"
       time: "09:00"
-  # Pre-commit
+  - package-ecosystem: "gomod"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+      day: "saturday"
+      time: "09:00"
+  - package-ecosystem: "gradle"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+      day: "saturday"
+      time: "09:00"
+  - package-ecosystem: "helm"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+      day: "saturday"
+      time: "09:00"
+  - package-ecosystem: "julia"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+      day: "saturday"
+      time: "09:00"
+  - package-ecosystem: "mix"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+      day: "saturday"
+      time: "09:00"
+  - package-ecosystem: "maven"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+      day: "saturday"
+      time: "09:00"
+  - package-ecosystem: "nix"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+      day: "saturday"
+      time: "09:00"
+  - package-ecosystem: "npm"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+      day: "saturday"
+      time: "09:00"
+  - package-ecosystem: "nuget"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+      day: "saturday"
+      time: "09:00"
+  - package-ecosystem: "opentofu"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+      day: "saturday"
+      time: "09:00"
+  - package-ecosystem: "pip"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+      day: "saturday"
+      time: "09:00"
   - package-ecosystem: "pre-commit"
     directory: "/"
     schedule:
       interval: "weekly"
       day: "saturday"
       time: "09:00"
+  - package-ecosystem: "pub"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+      day: "saturday"
+      time: "09:00"
+  - package-ecosystem: "rust-toolchain"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+      day: "saturday"
+      time: "09:00"
+  - package-ecosystem: "sbt"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+      day: "saturday"
+      time: "09:00"
+  - package-ecosystem: "swift"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+      day: "saturday"
+      time: "09:00"
+  - package-ecosystem: "terraform"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+      day: "saturday"
+      time: "09:00"
+  - package-ecosystem: "uv"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+      day: "saturday"
+      time: "09:00"
+  - package-ecosystem: "vcpkg"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+      day: "saturday"
+      time: "09:00"