diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 06dcb6f..f8ffb14 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.8", "3.11"]
+        python-version: ["3.9", "3.11"]
     steps:
       - uses: actions/checkout@v3
       - name: Set up Python ${{ matrix.python-version }}
diff --git a/ci/linux/create_venv.sh b/ci/linux/create_venv.sh
index b6345ed..e2a60fa 100755
--- a/ci/linux/create_venv.sh
+++ b/ci/linux/create_venv.sh
@@ -1,5 +1,8 @@
-#!/usr/bin/env sh
+#!/usr/bin/env bash
 
 python3.11 -m venv ./.venv
-. .venv/bin/activate
+if [[ "$OSTYPE" != "win32" && "$OSTYPE" != "msys" ]]; then
+  echo "Activating .venv first."
+  . .venv/bin/activate
+fi
 pip3 install pip-tools
diff --git a/ci/linux/gen_protocol.sh b/ci/linux/gen_protocol.sh
index 1beeb51..2a6865c 100755
--- a/ci/linux/gen_protocol.sh
+++ b/ci/linux/gen_protocol.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 if [[ "$OSTYPE" != "win32" && "$OSTYPE" != "msys" ]]; then
   . .venv/bin/activate
diff --git a/ci/linux/install_dependencies.sh b/ci/linux/install_dependencies.sh
index 0447bed..e00b897 100755
--- a/ci/linux/install_dependencies.sh
+++ b/ci/linux/install_dependencies.sh
@@ -1,4 +1,8 @@
-#!/usr/bin/env sh
+#!/usr/bin/env bash
+
+if [[ "$OSTYPE" != "win32" && "$OSTYPE" != "msys" ]]; then
+  echo "Activating .venv first."
+  . .venv/bin/activate
+fi
 
-. .venv/bin/activate
 pip-sync ./dev-requirements.txt ./requirements.txt
diff --git a/ci/linux/update_dependencies.sh b/ci/linux/update_dependencies.sh
index 0d5bb9a..fea6566 100755
--- a/ci/linux/update_dependencies.sh
+++ b/ci/linux/update_dependencies.sh
@@ -1,5 +1,9 @@
-#!/usr/bin/env sh
+#!/usr/bin/env bash
 
-. .venv/bin/activate
-pip-compile --output-file=requirements.txt pyproject.toml
-pip-compile --extra=dev -c requirements.txt --output-file=dev-requirements.txt pyproject.toml
+if [[ "$OSTYPE" != "win32" && "$OSTYPE" != "msys" ]]; then
+  echo "Activating .venv first."
+  . .venv/bin/activate
+fi
+
+pip-compile --upgrade --output-file=requirements.txt pyproject.toml
+pip-compile --upgrade --extra=dev -c requirements.txt --output-file=dev-requirements.txt pyproject.toml
diff --git a/dev-requirements.txt b/dev-requirements.txt
index 2d9d995..c894fe0 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -4,31 +4,22 @@
 #
 #    pip-compile --constraint=requirements.txt --extra=dev --output-file=dev-requirements.txt pyproject.toml
 #
-build==1.0.3
-    # via
-    #   omotes_sdk_protocol_generation (pyproject.toml)
-    #   pip-tools
-click==8.1.7
-    # via pip-tools
+build==1.2.2.post1
+    # via omotes_sdk_protocol_generation (pyproject.toml)
 mypy-protobuf==3.5.0
     # via omotes_sdk_protocol_generation (pyproject.toml)
-packaging==23.2
+packaging==24.2
     # via
     #   build
     #   setuptools-git-versioning
-pip-tools==7.3.0
-    # via omotes_sdk_protocol_generation (pyproject.toml)
-protobuf==4.25.2
+protobuf==5.29.1
     # via mypy-protobuf
-pyproject-hooks==1.0.0
+pyproject-hooks==1.2.0
     # via build
-setuptools-git-versioning==1.13.5
+setuptools-git-versioning==2.0.0
     # via omotes_sdk_protocol_generation (pyproject.toml)
-types-protobuf==4.24.0.20240106
+types-protobuf==5.29.1.20241207
     # via mypy-protobuf
-wheel==0.42.0
-    # via pip-tools
 
 # The following packages are considered to be unsafe in a requirements file:
-# pip
 # setuptools
diff --git a/pyproject.toml b/pyproject.toml
index e9277b7..951c285 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -26,10 +26,9 @@ dependencies = [
 
 [project.optional-dependencies]
 dev = [
-    "pip-tools~=7.3.0",
     "mypy-protobuf ~= 3.5.0",
-    "build ~= 1.0.3",
-    "setuptools-git-versioning < 2"
+    "build ~= 1.2.2",
+    "setuptools-git-versioning >= 2.0, < 3"
 ]
 
 [project.urls]
@@ -40,7 +39,12 @@ changelog = "https://github.com/Project-OMOTES/omotes_sdk_protocol/blob/main/CHA
 
 [build-system]
 build-backend = "setuptools.build_meta"
-requires = ["setuptools ~= 69.0.3", "wheel ~= 0.40.0", "setuptools-git-versioning<2"]
+requires = [
+    "setuptools ~= 75.6.0",
+    "wheel ~= 0.45.1",
+    "setuptools-git-versioning >= 2.0, < 3",
+]
 
 [tool.setuptools-git-versioning]
 enabled = true
+starting_version = "0.0.1"
diff --git a/python/ci/linux/build_python_package.sh b/python/ci/linux/build_python_package.sh
index 7277145..d778e12 100755
--- a/python/ci/linux/build_python_package.sh
+++ b/python/ci/linux/build_python_package.sh
@@ -1,5 +1,8 @@
-#!/usr/bin/env sh
+#!/usr/bin/env bash
 
-. ./python/.venv/bin/activate
+if [[ "$OSTYPE" != "win32" && "$OSTYPE" != "msys" ]]; then
+  echo "Activating .venv first."
+  . ./python/.venv/bin/activate
+fi
 cd ./python/
 python -m build
diff --git a/python/ci/linux/create_venv.sh b/python/ci/linux/create_venv.sh
index 5e4489e..708a0d7 100755
--- a/python/ci/linux/create_venv.sh
+++ b/python/ci/linux/create_venv.sh
@@ -1,5 +1,8 @@
-#!/usr/bin/env sh
+#!/usr/bin/env bash
 
 python3 -m venv ./python/.venv
-. ./python/.venv/bin/activate
+if [[ "$OSTYPE" != "win32" && "$OSTYPE" != "msys" ]]; then
+  echo "Activating .venv first."
+  . ./python/.venv/bin/activate
+fi
 pip3 install pip-tools
diff --git a/python/ci/linux/install_dependencies.sh b/python/ci/linux/install_dependencies.sh
index 7e059a5..bbdcce2 100755
--- a/python/ci/linux/install_dependencies.sh
+++ b/python/ci/linux/install_dependencies.sh
@@ -1,4 +1,7 @@
-#!/usr/bin/env sh
+#!/usr/bin/env bash
 
-. ./python/.venv/bin/activate
+if [[ "$OSTYPE" != "win32" && "$OSTYPE" != "msys" ]]; then
+  echo "Activating .venv first."
+  . ./python/.venv/bin/activate
+fi
 pip-sync ./python/dev-requirements.txt ./python/requirements.txt
diff --git a/python/ci/linux/update_dependencies.sh b/python/ci/linux/update_dependencies.sh
index 0584ba6..59af054 100755
--- a/python/ci/linux/update_dependencies.sh
+++ b/python/ci/linux/update_dependencies.sh
@@ -1,5 +1,9 @@
-#!/usr/bin/env sh
+#!/usr/bin/env bash
 
-. ./python/.venv/bin/activate
-pip-compile --output-file=./python/requirements.txt ./python/pyproject.toml
-pip-compile --extra=dev -c ./python/requirements.txt --output-file=./python/dev-requirements.txt ./python/pyproject.toml
+if [[ "$OSTYPE" != "win32" && "$OSTYPE" != "msys" ]]; then
+  echo "Activating .venv first."
+  . ./python/.venv/bin/activate
+fi
+
+pip-compile --upgrade --output-file=./python/requirements.txt ./python/pyproject.toml
+pip-compile --upgrade --extra=dev -c ./python/requirements.txt --output-file=./python/dev-requirements.txt ./python/pyproject.toml
diff --git a/python/dev-requirements.txt b/python/dev-requirements.txt
index fefee86..0f970fa 100644
--- a/python/dev-requirements.txt
+++ b/python/dev-requirements.txt
@@ -1,32 +1,23 @@
 #
-# This file is autogenerated by pip-compile with Python 3.11
+# This file is autogenerated by pip-compile with Python 3.12
 # by the following command:
 #
 #    pip-compile --constraint=./python/requirements.txt --extra=dev --output-file=./python/dev-requirements.txt ./python/pyproject.toml
 #
-build==1.0.3
-    # via
-    #   omotes_sdk_protocol (./python/pyproject.toml)
-    #   pip-tools
-click==8.1.7
-    # via pip-tools
-packaging==23.2
+build==1.2.2.post1
+    # via omotes-sdk-protocol (python/pyproject.toml)
+packaging==24.2
     # via
     #   build
     #   setuptools-git-versioning
-pip-tools==7.3.0
-    # via omotes_sdk_protocol (./python/pyproject.toml)
-protobuf==4.25.2
+protobuf==5.29.1
     # via
     #   -c ./python/requirements.txt
-    #   omotes_sdk_protocol (./python/pyproject.toml)
-pyproject-hooks==1.0.0
+    #   omotes-sdk-protocol (python/pyproject.toml)
+pyproject-hooks==1.2.0
     # via build
-setuptools-git-versioning==1.13.5
-    # via omotes_sdk_protocol (./python/pyproject.toml)
-wheel==0.42.0
-    # via pip-tools
+setuptools-git-versioning==2.0.0
+    # via omotes-sdk-protocol (python/pyproject.toml)
 
 # The following packages are considered to be unsafe in a requirements file:
-# pip
 # setuptools
diff --git a/python/pyproject.toml b/python/pyproject.toml
index 2eb0662..31254fe 100644
--- a/python/pyproject.toml
+++ b/python/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "omotes-sdk-protocol"
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 dynamic = ["version"]
 authors = [
     { name = "Sebastiaan la Fleur", email = "sebastiaan.lafleur@tno.nl" },
@@ -23,15 +23,14 @@ classifiers = [
 ]
 
 dependencies = [
-    "protobuf ~= 4.25.2"
+    "protobuf ~= 5.29.1"
 ]
 
 [project.optional-dependencies]
 dev = [
-    "pip-tools ~= 7.3.0",
-    "build ~= 1.0.3",
-    "setuptools-git-versioning < 2",
-    "setuptools ~= 69.0.3"
+    "build ~= 1.2.2",
+    "setuptools-git-versioning >= 2.0, < 3",
+    "setuptools ~= 75.6.0",
 ]
 
 [project.urls]
@@ -42,10 +41,15 @@ changelog = "https://github.com/Project-OMOTES/omotes_sdk_protocol/blob/main/CHA
 
 [build-system]
 build-backend = "setuptools.build_meta"
-requires = ["setuptools ~= 69.0.3", "wheel ~= 0.40.0", "setuptools-git-versioning<2"]
+requires = [
+    "setuptools ~= 75.6.0",
+    "wheel ~= 0.45.1",
+    "setuptools-git-versioning >= 2.0, < 3",
+]
 
 [tool.setuptools.package-data]
 "omotes_sdk_protocol" = ["py.typed"]
 
 [tool.setuptools-git-versioning]
 enabled = true
+starting_version = "0.0.1"
diff --git a/python/requirements.txt b/python/requirements.txt
index 2808acc..104bd5e 100644
--- a/python/requirements.txt
+++ b/python/requirements.txt
@@ -1,8 +1,8 @@
 #
-# This file is autogenerated by pip-compile with Python 3.11
+# This file is autogenerated by pip-compile with Python 3.12
 # by the following command:
 #
 #    pip-compile --output-file=./python/requirements.txt ./python/pyproject.toml
 #
-protobuf==4.25.2
-    # via omotes_sdk_protocol (./python/pyproject.toml)
+protobuf==5.29.1
+    # via omotes-sdk-protocol (python/pyproject.toml)