diff --git a/.github/workflows/update-flake-lock-ex-share-northwind.yaml b/.github/workflows/update-flake-lock-ex-share-northwind.yaml
index 1e056e0e..547b944d 100644
--- a/.github/workflows/update-flake-lock-ex-share-northwind.yaml
+++ b/.github/workflows/update-flake-lock-ex-share-northwind.yaml
@@ -35,7 +35,7 @@ jobs:
           path-to-flake-dir: 'example/share-services/northwind'
           branch: "update_flake_lock_ex_share_northwind"
           token: ${{ steps.github-app-token.outputs.token }}
-      - run: "gh pr merge --auto --rebase ${{ steps.update-flake-lock.outputs.pull-request-number }}"
+      - run: "gh pr merge --auto --rebase --delete-branch ${{ steps.update-flake-lock.outputs.pull-request-number }}"
         env:
           GH_TOKEN: ${{ github.token }}
 
diff --git a/.github/workflows/update-flake-lock-ex-share-pgweb.yaml b/.github/workflows/update-flake-lock-ex-share-pgweb.yaml
index 6e22fbee..98728ef9 100644
--- a/.github/workflows/update-flake-lock-ex-share-pgweb.yaml
+++ b/.github/workflows/update-flake-lock-ex-share-pgweb.yaml
@@ -35,7 +35,7 @@ jobs:
           path-to-flake-dir: 'example/share-services/pgweb'
           branch: "update_flake_lock_ex_share_pgweb"
           token: ${{ steps.github-app-token.outputs.token }}
-      - run: "gh pr merge --auto --rebase ${{ steps.update-flake-lock.outputs.pull-request-number }}"
+      - run: "gh pr merge --auto --rebase --delete-branch ${{ steps.update-flake-lock.outputs.pull-request-number }}"
         env:
           GH_TOKEN: ${{ github.token }}
 
diff --git a/.github/workflows/update-flake-lock-ex-simple.yaml b/.github/workflows/update-flake-lock-ex-simple.yaml
index a1130229..82aa066c 100644
--- a/.github/workflows/update-flake-lock-ex-simple.yaml
+++ b/.github/workflows/update-flake-lock-ex-simple.yaml
@@ -35,6 +35,6 @@ jobs:
           path-to-flake-dir: 'example/simple'
           branch: "update_flake_lock_ex_simple"
           token: ${{ steps.github-app-token.outputs.token }}
-      - run: "gh pr merge --auto --rebase ${{ steps.update-flake-lock.outputs.pull-request-number }}"
+      - run: "gh pr merge --auto --rebase --delete-branch ${{ steps.update-flake-lock.outputs.pull-request-number }}"
         env:
           GH_TOKEN: ${{ github.token }}
diff --git a/.github/workflows/update-flake-lock-test.yaml b/.github/workflows/update-flake-lock-test.yaml
index ec81f459..508f848b 100644
--- a/.github/workflows/update-flake-lock-test.yaml
+++ b/.github/workflows/update-flake-lock-test.yaml
@@ -35,7 +35,7 @@ jobs:
           path-to-flake-dir: 'test'
           branch: "update_flake_lock_test"
           token: ${{ steps.github-app-token.outputs.token }}
-      - run: "gh pr merge --auto --rebase ${{ steps.update-flake-lock.outputs.pull-request-number }}"
+      - run: "gh pr merge --auto --rebase --delete-branch ${{ steps.update-flake-lock.outputs.pull-request-number }}"
         env:
           GH_TOKEN: ${{ github.token }}