diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 0000000..3b3700c
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,15 @@
+version: 2
+
+updates:
+  - package-ecosystem: "npm"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+
+  # Dependabot only updates HashiCorp GHAs, external GHAs are managed by internal tooling (tsccr)
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "daily"
+    allow:
+      - dependency-name: "hashicorp/*"
diff --git a/package.json b/package.json
index d1d89e9..e3d5d62 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@hashicorp/github-actions-core",
-  "version": "0.4.2",
+  "version": "1.0.0",
   "description": "A library of functions shared between GitHub Actions.",
   "main": "./dist/index.js",
   "scripts": {