diff --git a/.gitignore b/.gitignore
index 62de6f1bf9fb..19a67cebd19e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -215,3 +215,12 @@ BenchmarkDotNet.Artifacts/
 # Clangd uses these common ephemeral files
 .cache
 compile_commands.json
+
+src/*.a
+src/*.so*
+src/CMakeCache.txt
+src/CMakeFiles/
+src/cmake_install.cmake
+src/install_manifest.txt
+src/lib/
+src/protoc-*
diff --git a/debian/.gitignore b/debian/.gitignore
new file mode 100644
index 000000000000..cefb2ec10cae
--- /dev/null
+++ b/debian/.gitignore
@@ -0,0 +1,13 @@
+*.substvars
+*debhelper*
+.debhelper
+autoreconf.*
+files
+libprotobuf-dev
+libprotobuf-lite32
+libprotobuf32
+libprotoc-dev
+libprotoc32
+protobuf-compiler
+python3-protobuf
+tmp
diff --git a/debian/changelog b/debian/changelog
new file mode 100644
index 000000000000..961d8073c4dc
--- /dev/null
+++ b/debian/changelog
@@ -0,0 +1,5 @@
+protobuf (100:3.21.5-1) UNRELEASED; urgency=medium
+
+  * https://github.com/protocolbuffers/protobuf/releases/tag/v3.21.5
+
+ -- Wong Hoi Sing Edison <hswong3i@gmail.com>  Sat, 03 Sep 2022 18:01:15 +0800
diff --git a/debian/control b/debian/control
new file mode 100644
index 000000000000..2aa2d08cc6c6
--- /dev/null
+++ b/debian/control
@@ -0,0 +1,114 @@
+Source: protobuf
+Section: devel
+Priority: optional
+Standards-Version: 4.5.0
+Maintainer: Wong Hoi Sing Edison <hswong3i@gmail.com>
+Homepage: https://github.com/protocolbuffers/protobuf/tags
+Vcs-Browser: https://github.com/alvistack/protocolbuffers-protobuf
+Vcs-Git: https://github.com/alvistack/protocolbuffers-protobuf.git
+Build-Depends:
+ debhelper,
+ debhelper-compat (= 10),
+ dh-python,
+ fdupes,
+ cmake,
+ ninja-build,
+ python3-dev,
+ python3-setuptools,
+ zlib1g-dev,
+
+Package: libprotobuf32
+Architecture: any
+Section: libs
+Description: protocol buffers C++ library
+ This package contains the runtime library needed for C++ applications.
+Depends:
+ ${misc:Depends},
+ ${shlibs:Depends},
+Breaks:
+ cura-engine (<< 1:3.3.0-2.1+b1),
+ libarcus3 (<< 3.3.0-2),
+
+Package: libprotobuf-lite32
+Architecture: any
+Section: libs
+Description: protocol buffers C++ library (lite version)
+ This package contains the runtime library needed for C++ applications whose
+ message definitions have the "lite runtime" optimization setting.
+Depends:
+ ${misc:Depends},
+ ${shlibs:Depends},
+
+Package: libprotobuf-dev
+Architecture: any
+Section: libdevel
+Description: protocol buffers C++ library (development files) and proto files
+ This package contains the development headers and static libraries needed for
+ writing C++ applications. Includes well known proto type files.
+Depends:
+ ${misc:Depends},
+ zlib1g-dev,
+ libprotobuf32 (= ${source:Version}),
+ libprotobuf-lite32 (= ${source:Version}),
+Breaks:
+ protobuf-compiler (<< ${source:Version}),
+ protobuf-compiler (>> ${source:Version}),
+Provides:
+ protobuf-api-32-0,
+
+Package: libprotoc32
+Architecture: any
+Multi-Arch: same
+Section: libs
+Description: protocol buffers compiler library
+ This package contains the runtime library needed for the protocol buffer
+ compiler.
+Depends:
+ ${shlibs:Depends},
+ ${misc:Depends},
+
+Package: libprotoc-dev
+Architecture: any
+Section: libdevel
+Description: protocol buffers compiler library (development files)
+ This package contains the development headers and static library needed for
+ writing protobuf compilers.
+Depends:
+ ${misc:Depends},
+ libprotobuf-dev (= ${source:Version}),
+ libprotoc32 (= ${source:Version}),
+Replaces:
+ libprotobuf-dev (<< 2.1.0),
+Breaks:
+ libprotobuf-dev (<< 2.1.0),
+
+Package: protobuf-compiler
+Architecture: any
+Description: compiler for protocol buffer definition files
+ This package contains the protocol buffer compiler that is used for
+ translating from .proto files (containing the definitions) to the language
+ binding for the supported languages.
+Depends: 
+ ${shlibs:Depends},
+ ${misc:Depends},
+ libprotoc32 (= ${binary:Version}),
+Recommends:
+ libprotobuf-dev,
+Suggests:
+ protobuf-mode-el,
+
+Package: python3-protobuf
+Architecture: any
+Section: python
+Description: Python 3 bindings for protocol buffers
+ This package contains the Python 3 bindings for the protocol buffers. You will
+ need the protoc tool (in the protobuf-compiler package) to compile your
+ definition to Python classes, and then the modules in this package will allow
+ you to use those classes in your programs.
+Depends:
+ ${misc:Depends},
+ ${python3:Depends},
+ ${shlibs:Depends},
+ python3,
+Provides:
+ python3-protobuf (= 4.21.5),
diff --git a/debian/copyright b/debian/copyright
new file mode 100644
index 000000000000..e69de29bb2d1
diff --git a/debian/libprotobuf-dev.install b/debian/libprotobuf-dev.install
new file mode 100644
index 000000000000..fc5b1dbcdaef
--- /dev/null
+++ b/debian/libprotobuf-dev.install
@@ -0,0 +1,4 @@
+usr/include
+usr/lib/*/libprotobuf-lite.so
+usr/lib/*/libprotobuf.so
+usr/lib/*/pkgconfig/*
diff --git a/debian/libprotobuf-dev.lintian-overrides b/debian/libprotobuf-dev.lintian-overrides
new file mode 100644
index 000000000000..30fd66a144cf
--- /dev/null
+++ b/debian/libprotobuf-dev.lintian-overrides
@@ -0,0 +1,3 @@
+libprotobuf-dev: copyright-without-copyright-notice
+libprotobuf-dev: initial-upload-closes-no-bugs
+libprotobuf-dev: zero-byte-file-in-doc-directory
diff --git a/debian/libprotobuf-lite32.install b/debian/libprotobuf-lite32.install
new file mode 100644
index 000000000000..45e00546a30a
--- /dev/null
+++ b/debian/libprotobuf-lite32.install
@@ -0,0 +1 @@
+usr/lib/*/libprotobuf-lite.so.*
diff --git a/debian/libprotobuf-lite32.lintian-overrides b/debian/libprotobuf-lite32.lintian-overrides
new file mode 100644
index 000000000000..499fad073392
--- /dev/null
+++ b/debian/libprotobuf-lite32.lintian-overrides
@@ -0,0 +1,4 @@
+libprotobuf-lite32: copyright-without-copyright-notice
+libprotobuf-lite32: initial-upload-closes-no-bugs
+libprotobuf-lite32: package-name-doesnt-match-sonames
+libprotobuf-lite32: zero-byte-file-in-doc-directory
diff --git a/debian/libprotobuf32.install b/debian/libprotobuf32.install
new file mode 100644
index 000000000000..9ac8d247dccb
--- /dev/null
+++ b/debian/libprotobuf32.install
@@ -0,0 +1 @@
+usr/lib/*/libprotobuf.so.*
diff --git a/debian/libprotobuf32.lintian-overrides b/debian/libprotobuf32.lintian-overrides
new file mode 100644
index 000000000000..eb338d3a4c48
--- /dev/null
+++ b/debian/libprotobuf32.lintian-overrides
@@ -0,0 +1,4 @@
+libprotobuf32: copyright-without-copyright-notice
+libprotobuf32: initial-upload-closes-no-bugs
+libprotobuf32: package-name-doesnt-match-sonames
+libprotobuf32: zero-byte-file-in-doc-directory
diff --git a/debian/libprotoc-dev.install b/debian/libprotoc-dev.install
new file mode 100644
index 000000000000..899bb85fe3b0
--- /dev/null
+++ b/debian/libprotoc-dev.install
@@ -0,0 +1,2 @@
+usr/include/google/protobuf/compiler
+usr/lib/*/libprotoc.so
diff --git a/debian/libprotoc-dev.lintian-overrides b/debian/libprotoc-dev.lintian-overrides
new file mode 100644
index 000000000000..f90c4d60db90
--- /dev/null
+++ b/debian/libprotoc-dev.lintian-overrides
@@ -0,0 +1,3 @@
+libprotoc-dev: copyright-without-copyright-notice
+libprotoc-dev: initial-upload-closes-no-bugs
+libprotoc-dev: zero-byte-file-in-doc-directory
diff --git a/debian/libprotoc32.install b/debian/libprotoc32.install
new file mode 100644
index 000000000000..a28013348f3f
--- /dev/null
+++ b/debian/libprotoc32.install
@@ -0,0 +1 @@
+usr/lib/*/libprotoc*.so.*
diff --git a/debian/libprotoc32.lintian-overrides b/debian/libprotoc32.lintian-overrides
new file mode 100644
index 000000000000..19933fd80ca8
--- /dev/null
+++ b/debian/libprotoc32.lintian-overrides
@@ -0,0 +1,4 @@
+libprotoc32: copyright-without-copyright-notice
+libprotoc32: initial-upload-closes-no-bugs
+libprotoc32: package-name-doesnt-match-sonames
+libprotoc32: zero-byte-file-in-doc-directory
diff --git a/debian/protobuf-compiler.install b/debian/protobuf-compiler.install
new file mode 100644
index 000000000000..1df36c612fb7
--- /dev/null
+++ b/debian/protobuf-compiler.install
@@ -0,0 +1 @@
+usr/bin/*
diff --git a/debian/protobuf-compiler.lintian-overrides b/debian/protobuf-compiler.lintian-overrides
new file mode 100644
index 000000000000..6f8cc4457901
--- /dev/null
+++ b/debian/protobuf-compiler.lintian-overrides
@@ -0,0 +1,4 @@
+protobuf-compiler: copyright-without-copyright-notice
+protobuf-compiler: initial-upload-closes-no-bugs
+protobuf-compiler: no-manual-page
+protobuf-compiler: zero-byte-file-in-doc-directory
diff --git a/debian/python3-protobuf.install b/debian/python3-protobuf.install
new file mode 100644
index 000000000000..e3da3e75536a
--- /dev/null
+++ b/debian/python3-protobuf.install
@@ -0,0 +1 @@
+usr/lib/python*/*-packages/*
diff --git a/debian/python3-protobuf.lintian-overrides b/debian/python3-protobuf.lintian-overrides
new file mode 100644
index 000000000000..83767c0cd5bc
--- /dev/null
+++ b/debian/python3-protobuf.lintian-overrides
@@ -0,0 +1,4 @@
+python3-protobuf: copyright-without-copyright-notice
+python3-protobuf: initial-upload-closes-no-bugs
+python3-protobuf: shared-library-lacks-prerequisites
+python3-protobuf: zero-byte-file-in-doc-directory
diff --git a/debian/rules b/debian/rules
new file mode 100755
index 000000000000..a206842e8129
--- /dev/null
+++ b/debian/rules
@@ -0,0 +1,52 @@
+#!/usr/bin/make -f
+
+SHELL := /bin/bash
+
+override_dh_autoreconf:
+
+override_dh_auto_configure:
+	pushd src && \
+		cmake \
+			../cmake \
+			-DCMAKE_BUILD_TYPE=Release \
+			-DCMAKE_INSTALL_PREFIX=/usr \
+			-Dprotobuf_BUILD_LIBPROTOC=ON \
+			-Dprotobuf_BUILD_PROTOC_BINARIES=ON \
+			-Dprotobuf_BUILD_SHARED_LIBS=ON \
+			-Dprotobuf_BUILD_TESTS=OFF && \
+	popd
+
+override_dh_auto_build:
+	pushd src && \
+		cmake \
+			--build . \
+			--parallel 10 \
+			--config Release && \
+	popd
+	pushd python && \
+		python3 setup.py build \
+			--cpp_implementation && \
+	popd
+
+override_dh_auto_install:
+	pushd src && \
+		export DESTDIR=../debian/tmp && \
+		cmake \
+			--install . && \
+	popd
+	pushd python && \
+		python3 setup.py install \
+			--cpp_implementation \
+			--no-compile \
+			--install-layout=deb \
+		 	--root=../debian/tmp && \
+	popd
+	find debian/tmp/usr/lib/python*/*-packages -type f -name '*.pyc' -exec rm -rf {} \;
+	fdupes -qnrps debian/tmp/usr/lib/python*/*-packages
+
+override_dh_auto_test:
+
+override_dh_auto_clean:
+
+%:
+	dh $@
diff --git a/debian/source/format b/debian/source/format
new file mode 100644
index 000000000000..163aaf8d82b6
--- /dev/null
+++ b/debian/source/format
@@ -0,0 +1 @@
+3.0 (quilt)
diff --git a/debian/source/lintian-overrides b/debian/source/lintian-overrides
new file mode 100644
index 000000000000..e3178ff6c4d8
--- /dev/null
+++ b/debian/source/lintian-overrides
@@ -0,0 +1,6 @@
+protobuf source: configure-generated-file-in-source
+protobuf source: dependency-is-not-multi-archified
+protobuf source: no-debian-changes
+protobuf source: not-binnmuable-any-depends-any
+protobuf source: python3-depends-but-no-python3-helper
+protobuf source: weak-library-dev-dependency
diff --git a/protobuf.spec b/protobuf.spec
new file mode 100644
index 000000000000..e69de29bb2d1
diff --git a/src/libprotobuf-lite.map b/src/libprotobuf-lite.map
index 391554669481..a1853ca6cbf2 100644
--- a/src/libprotobuf-lite.map
+++ b/src/libprotobuf-lite.map
@@ -3,6 +3,8 @@
     extern "C++" {
       *google*;
     };
+    scc_info_*;
+    descriptor_table_*;
 
   local:
     *;
diff --git a/src/libprotobuf.map b/src/libprotobuf.map
index 391554669481..a1853ca6cbf2 100644
--- a/src/libprotobuf.map
+++ b/src/libprotobuf.map
@@ -3,6 +3,8 @@
     extern "C++" {
       *google*;
     };
+    scc_info_*;
+    descriptor_table_*;
 
   local:
     *;
diff --git a/src/libprotoc.map b/src/libprotoc.map
index 391554669481..a1853ca6cbf2 100644
--- a/src/libprotoc.map
+++ b/src/libprotoc.map
@@ -3,6 +3,8 @@
     extern "C++" {
       *google*;
     };
+    scc_info_*;
+    descriptor_table_*;
 
   local:
     *;