diff --git a/.github/workflows/debian.yml b/.github/workflows/debian.yml
index 231af33..b92f615 100644
--- a/.github/workflows/debian.yml
+++ b/.github/workflows/debian.yml
@@ -1,4 +1,4 @@
-name: Make Debian Package
+name: Create Debian Package
 
 on:
   push:
@@ -9,7 +9,7 @@ permissions:
   contents: write
 
 jobs:
-  build-dsc:
+  build-deb:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
@@ -39,9 +39,9 @@ jobs:
             HEAD
 
       - name: Build Debian package
-        run: debuild -S -us -uc --lintian-opts --profile debian
+        run: debuild -b -us -uc --lintian-opts --profile debian
 
-      - name: Collect Debian artifacts for development
+      - name: Collect Debian artifacts
         run: |
           mkdir -p artifacts
           shopt -s nullglob
@@ -49,22 +49,17 @@ jobs:
             mv "$file" artifacts/
           done
 
-      - name: Upload Debian artifacts for development
+      - name: Upload Debian artifact to the workflow
         uses: actions/upload-artifact@v4
         with:
-          name: kci-dev-debian-source
+          name: kci-dev-debian-package
           path: artifacts/
 
-      - name: Upload Debian source to GitHub Release on new tag
+      - name: Upload Debian package to GitHub Release on new tag
         if: startsWith(github.ref, 'refs/tags/')
         uses: softprops/action-gh-release@v2
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         with:
           tag_name: ${{ github.ref_name }}
-          files: |
-            artifacts/kci-dev_*.dsc
-            artifacts/kci-dev_*.orig.tar.*
-            artifacts/kci-dev_*debian.tar.*
-            artifacts/kci-dev_*_source.buildinfo
-            artifacts/kci-dev_*_source.changes
+          files: artifacts/*
diff --git a/debian/changelog b/debian/changelog
index 5b6d67b..f320147 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -3,7 +3,7 @@ kci-dev (0.1.9-1) unstable; urgency=medium
   * New upstream release.
   * Update to version 0.1.9.
 
- -- Arisu Tachibana <arisu.tachibana@miraclelinux.com>  Sat, 07 Dec 2025 12:00:00 +0900
+ -- Arisu Tachibana <arisu.tachibana@miraclelinux.com>  Sun, 07 Dec 2025 12:00:00 +0900
 
 kci-dev (0.1.8-1) unstable; urgency=medium
 
diff --git a/debian/copyright b/debian/copyright
new file mode 100644
index 0000000..fb57cda
--- /dev/null
+++ b/debian/copyright
@@ -0,0 +1,23 @@
+Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
+Upstream-Name: kci-dev
+Upstream-Contact: Arisu Tachibana <arisu.tachibana@miraclelinux.com>
+Source: https://pypi.org/project/kci-dev/
+
+Files: *
+Copyright: 2023-2025 Arisu Tachibana <arisu.tachibana@miraclelinux.com>
+License: LGPL-2.1+
+ This package is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+ .
+ This package is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ Lesser General Public License for more details.
+ .
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <https://www.gnu.org/licenses/>.
+ .
+ On Debian systems, the complete text of the GNU Lesser General
+ Public License can be found in "/usr/share/common-licenses/LGPL-2.1".