diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index 93bb1de..c41b0db 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -39,3 +39,16 @@ updates:
     open-pull-requests-limit: 10
     assignees:
       - "zoncoen"
+
+  - package-ecosystem: "gomod"
+    directory: "/extractor/protobuf"
+    schedule:
+      interval: "daily"
+      time: "12:00"
+      timezone: "Asia/Tokyo"
+    commit-message:
+      prefix: "chore"
+      include: "scope"
+    open-pull-requests-limit: 10
+    assignees:
+      - "zoncoen"
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index fde687a..7b09b87 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -8,7 +8,7 @@ jobs:
   query:
     strategy:
       matrix:
-        go-version: [1.19.x, 1.20.x]
+        go-version: [1.20.x, 1.21.x]
     runs-on: ubuntu-latest
     steps:
     - name: Install Go