diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 449233f..3b3fff7 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-20.04
     strategy:
       matrix:
-        python-version: [ '3.8.2', '3.9', '3.10', '3.11' ]
+        python-version: [ '3.8.2', '3.9', '3.10', '3.11', '3.12' ]
     steps:
       - uses: actions/checkout@v3
       - name: Setup Python
diff --git a/examples/README.md b/examples/README.md
index c1ae005..37840bb 100644
--- a/examples/README.md
+++ b/examples/README.md
@@ -1,5 +1,7 @@
 # Examples
 
+In this directory you will find small yet complete examples of _ChRIS_ plugins.
+
 - `pl-git-clone`: a minimal [fs](https://github.com/FNNDSC/chris_plugin/wiki/About-Plugins#fs) plugin example
 - `pl-copy`: a minimal [ds](https://github.com/FNNDSC/chris_plugin/wiki/About-Plugins#ds) plugin example
 - `pl-replace`: a complicated [ds](https://github.com/FNNDSC/chris_plugin/wiki/About-Plugins#ds) plugin example demonstrating
diff --git a/examples/pl-copy/Dockerfile b/examples/pl-copy/Dockerfile
index 5965c24..0fc74d0 100644
--- a/examples/pl-copy/Dockerfile
+++ b/examples/pl-copy/Dockerfile
@@ -1,8 +1,8 @@
-FROM docker.io/python:3.10.2-alpine3.14
+FROM docker.io/python:3.12.0-alpine3.18
 
 WORKDIR /usr/local/src/simple_copy
 
 COPY . .
-RUN pip install --use-feature=in-tree-build .
+RUN pip install .
 
 CMD ["simple_copy", "--help"]
diff --git a/examples/pl-copy/setup.py b/examples/pl-copy/setup.py
index 4fa390b..e61ef44 100755
--- a/examples/pl-copy/setup.py
+++ b/examples/pl-copy/setup.py
@@ -10,6 +10,5 @@
     py_modules=["simple_copy"],
     install_requires=["chris_plugin"],
     license="MIT",
-    python_requires=">=3.10.2",
     entry_points={"console_scripts": ["simple_copy = simple_copy:main"]},
 )
diff --git a/examples/pl-git-clone/Dockerfile b/examples/pl-git-clone/Dockerfile
index 27889d4..f00b8a4 100644
--- a/examples/pl-git-clone/Dockerfile
+++ b/examples/pl-git-clone/Dockerfile
@@ -1,10 +1,10 @@
-FROM docker.io/python:3.10.2-alpine3.14
+FROM docker.io/python:3.12.0-alpine3.18
 
 RUN apk add git
 
 WORKDIR /usr/local/src/git_clone_wrapper
 
 COPY . .
-RUN pip install --use-feature=in-tree-build .
+RUN pip install .
 
 CMD ["git_clone_wrapper", "--help"]
diff --git a/examples/pl-git-clone/setup.py b/examples/pl-git-clone/setup.py
index 0f1a4b7..b0413cc 100755
--- a/examples/pl-git-clone/setup.py
+++ b/examples/pl-git-clone/setup.py
@@ -10,6 +10,5 @@
     py_modules=["git_clone"],
     install_requires=["chris_plugin"],
     license="MIT",
-    python_requires=">=3.10.2",
     entry_points={"console_scripts": ["git_clone_wrapper = git_clone:main"]},
 )
diff --git a/examples/pl-replace/Dockerfile b/examples/pl-replace/Dockerfile
index c6fb23f..753cb6c 100644
--- a/examples/pl-replace/Dockerfile
+++ b/examples/pl-replace/Dockerfile
@@ -1,8 +1,8 @@
-FROM docker.io/python:3.10.2-alpine3.14
+FROM docker.io/python:3.12.0-alpine3.18
 
 WORKDIR /usr/local/src/replace
 
 COPY . .
-RUN pip install --use-feature=in-tree-build .
+RUN pip install .
 
 CMD ["replace", "--help"]
diff --git a/examples/pl-replace/setup.py b/examples/pl-replace/setup.py
index a94bcfd..bfcd2c3 100755
--- a/examples/pl-replace/setup.py
+++ b/examples/pl-replace/setup.py
@@ -10,6 +10,5 @@
     py_modules=["replace"],
     install_requires=["chris_plugin", "tqdm"],
     license="MIT",
-    python_requires=">=3.10.2",
     entry_points={"console_scripts": ["replace = replace:main"]},
 )
diff --git a/setup.py b/setup.py
index c2dd04f..07964fd 100644
--- a/setup.py
+++ b/setup.py
@@ -8,7 +8,7 @@
 
 setup(
     name="chris_plugin",
-    version="0.3.0",
+    version="0.3.1",
     packages=find_packages(where="src"),
     package_dir={"": "src", "chris_plugin": "src/chris_plugin"},
     url="https://github.com/FNNDSC/chris_plugin",
@@ -41,6 +41,7 @@
         "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: 3.11",
+        "Programming Language :: Python :: 3.12",
         "Topic :: Software Development",
         "Topic :: Scientific/Engineering",
         "Topic :: Scientific/Engineering :: Bio-Informatics",