diff --git a/.github/rulesets/README.md b/.github/rulesets/README.md
new file mode 100644
index 0000000..49036d3
--- /dev/null
+++ b/.github/rulesets/README.md
@@ -0,0 +1 @@
+The files stored here are for documentation / tracking purposes only.  They must be loaded into the GitHub web GUI to be "active" -- there presence here does not result in any behavioral changes by GitHub.
diff --git a/.github/rulesets/branches/default-branch.json b/.github/rulesets/branches/default-branch.json
new file mode 100644
index 0000000..a651ee5
--- /dev/null
+++ b/.github/rulesets/branches/default-branch.json
@@ -0,0 +1,38 @@
+{
+  "id": 4052619,
+  "name": "default-branch",
+  "target": "branch",
+  "source_type": "Repository",
+  "source": "perftool-incubator/bench-timerlat",
+  "enforcement": "active",
+  "conditions": {
+    "ref_name": {
+      "exclude": [],
+      "include": [
+        "~DEFAULT_BRANCH"
+      ]
+    }
+  },
+  "rules": [
+    {
+      "type": "deletion"
+    },
+    {
+      "type": "non_fast_forward"
+    },
+    {
+      "type": "pull_request",
+      "parameters": {
+        "required_approving_review_count": 1,
+        "dismiss_stale_reviews_on_push": true,
+        "require_code_owner_review": false,
+        "require_last_push_approval": false,
+        "required_review_thread_resolution": true,
+        "allowed_merge_methods": [
+          "merge"
+        ]
+      }
+    }
+  ],
+  "bypass_actors": []
+}
\ No newline at end of file
diff --git a/.github/rulesets/branches/releases.json b/.github/rulesets/branches/releases.json
new file mode 100644
index 0000000..4f04401
--- /dev/null
+++ b/.github/rulesets/branches/releases.json
@@ -0,0 +1,38 @@
+{
+  "id": 4052620,
+  "name": "releases",
+  "target": "branch",
+  "source_type": "Repository",
+  "source": "perftool-incubator/bench-timerlat",
+  "enforcement": "active",
+  "conditions": {
+    "ref_name": {
+      "exclude": [],
+      "include": [
+        "refs/heads/20[2-9][0-9]\\.[1234]"
+      ]
+    }
+  },
+  "rules": [
+    {
+      "type": "deletion"
+    },
+    {
+      "type": "non_fast_forward"
+    },
+    {
+      "type": "pull_request",
+      "parameters": {
+        "required_approving_review_count": 1,
+        "dismiss_stale_reviews_on_push": true,
+        "require_code_owner_review": false,
+        "require_last_push_approval": false,
+        "required_review_thread_resolution": true,
+        "allowed_merge_methods": [
+          "merge"
+        ]
+      }
+    }
+  ],
+  "bypass_actors": []
+}
\ No newline at end of file