diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 00000000..5ace4600
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,6 @@
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"
diff --git a/.github/workflows/validate.yml b/.github/workflows/validate.yml
index 4a71c495..b0700a47 100644
--- a/.github/workflows/validate.yml
+++ b/.github/workflows/validate.yml
@@ -2,13 +2,19 @@ name: Validate JSONs
 
 on: [pull_request]
 
+permissions:
+  contents: read
+
 jobs:
   verify-json-validation:
     runs-on: oracle-2cpu-8gb-x86-64
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
+        with:
+          persist-credentials: false
+      - uses: actions/setup-python@v6
+        with:
+          python-version: '>= 3.14'
+          pip-install: check-jsonschema
       - name: Validate JSON
-        uses: docker://orrosenblatt/validate-json-action:latest
-        env:
-          INPUT_SCHEMA: /schema.json
-          INPUT_JSONS: /people.json
+        run: check-jsonschema --schemafile schema.json people.json
diff --git a/schema.json b/schema.json
index 5d61062c..eb3af731 100644
--- a/schema.json
+++ b/schema.json
@@ -18,7 +18,7 @@
             "youtube":   {"anyOf": [ { "maxLength": 0 }, {"type": "string", "format": "uri", "default": "null"} ] },
             "priority":  {"anyOf": [ { "maxLength": 0 }, { "type": "number"  } ] },
             "image":     {"type": "string"},
-            "email":     {"type": "string", "pattern": "^[^\\s@]+\\![^\\s@]+\\.[^\\s@]+$"},
+            "email":     {"type": "string", "pattern": "^[^\\s@]+![^\\s@]+\\.[^\\s@]+$"},
             "slack_id":  {"type": "string"},
             "category": {
                 "type": "array",