diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index d99e755896..b374961a01 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -45,9 +45,9 @@ updates:
       timezone: "Asia/Tokyo"
 
   - package-ecosystem: "github-actions"
-    target-branch: "3.16"
+    target-branch: "3.17"
     groups:
-      actions on branch 3.16:
+      actions on branch 3.17:
         patterns:
           - "*"
     directory: "/"
@@ -58,9 +58,9 @@ updates:
       timezone: "Asia/Tokyo"
 
   - package-ecosystem: "github-actions"
-    target-branch: "3.15"
+    target-branch: "3.16"
     groups:
-      actions on branch 3.15:
+      actions on branch 3.16:
         patterns:
           - "*"
     directory: "/"
@@ -71,9 +71,9 @@ updates:
       timezone: "Asia/Tokyo"
 
   - package-ecosystem: "github-actions"
-    target-branch: "3.14"
+    target-branch: "3.15"
     groups:
-      actions on branch 3.14:
+      actions on branch 3.15:
         patterns:
           - "*"
     directory: "/"
@@ -84,9 +84,9 @@ updates:
       timezone: "Asia/Tokyo"
 
   - package-ecosystem: "github-actions"
-    target-branch: "3.13"
+    target-branch: "3.14"
     groups:
-      actions on branch 3.13:
+      actions on branch 3.14:
         patterns:
           - "*"
     directory: "/"
diff --git a/.github/workflows/remove-untagged-images.yaml b/.github/workflows/remove-untagged-images.yaml
index e5540d35f7..b63d6279ef 100644
--- a/.github/workflows/remove-untagged-images.yaml
+++ b/.github/workflows/remove-untagged-images.yaml
@@ -14,12 +14,6 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - name: scalardb-server
-        uses: camargo/delete-untagged-action@v1
-        with:
-          github-token: ${{ secrets.CR_PAT }}
-          package-name: scalardb-server
-
       - name: scalardb-schema-loader
         uses: camargo/delete-untagged-action@v1
         with:
diff --git a/.github/workflows/scheduled-vuln-check.yaml b/.github/workflows/scheduled-vuln-check.yaml
index d137cd85f1..64ee9b797f 100644
--- a/.github/workflows/scheduled-vuln-check.yaml
+++ b/.github/workflows/scheduled-vuln-check.yaml
@@ -15,14 +15,6 @@ jobs:
     secrets:
       SLACK_SECURITY_WEBHOOK_URL: ${{ secrets.SLACK_SECURITY_WEBHOOK_URL }}
 
-  call-vuln-check-for-v3_13:
-    uses: ./.github/workflows/vuln-check.yaml
-    with:
-      target-ref: v3.13
-      find-latest-release: true
-    secrets:
-      SLACK_SECURITY_WEBHOOK_URL: ${{ secrets.SLACK_SECURITY_WEBHOOK_URL }}
-
   call-vuln-check-for-v3_14:
     uses: ./.github/workflows/vuln-check.yaml
     with:
@@ -46,3 +38,11 @@ jobs:
       find-latest-release: true
     secrets:
       SLACK_SECURITY_WEBHOOK_URL: ${{ secrets.SLACK_SECURITY_WEBHOOK_URL }}
+
+  call-vuln-check-for-v3_17:
+    uses: ./.github/workflows/vuln-check.yaml
+    with:
+      target-ref: v3.17
+      find-latest-release: true
+    secrets:
+      SLACK_SECURITY_WEBHOOK_URL: ${{ secrets.SLACK_SECURITY_WEBHOOK_URL }}