diff --git a/.github/renovate.json b/.github/renovate.json
new file mode 100644
index 0000000..c1d5c21
--- /dev/null
+++ b/.github/renovate.json
@@ -0,0 +1,15 @@
+{
+  "extends": [
+    "config:base"
+  ],
+  "packageRules": [
+    {
+      "groupName": "all deps",
+      "separateMajorMinor": true,
+      "groupSlug": "all",
+      "packagePatterns": [
+        "*"
+      ]
+    }
+  ]
+}
diff --git a/proto/service.proto b/proto/service.proto
index 3040edb..4b37649 100644
--- a/proto/service.proto
+++ b/proto/service.proto
@@ -19,6 +19,7 @@ message Message {
 message Field {
   string key = 1;
   oneof val {
+    // https://developers.google.com/protocol-buffers/docs/proto3#scalar
     double double_val = 2;
     float float_val = 3;
     int32 int32_val = 4;
diff --git a/renovate.json b/renovate.json
deleted file mode 100644
index f45d8f1..0000000
--- a/renovate.json
+++ /dev/null
@@ -1,5 +0,0 @@
-{
-  "extends": [
-    "config:base"
-  ]
-}