diff --git a/.github/workflows/lint-and-test.yml b/.github/workflows/lint-and-test.yml
index 3cfb188a..942bb89a 100644
--- a/.github/workflows/lint-and-test.yml
+++ b/.github/workflows/lint-and-test.yml
@@ -35,17 +35,15 @@ jobs:
           virtualenvs-create: true
           virtualenvs-in-project: true
 
-      - name: Configure Poetry cache
-        run: poetry config cache-dir ./.cache/pypoetry
-
-      - name: Load cached poetry dependencies
+      - name: Load cached venv
         id: cached-poetry-dependencies
         uses: actions/cache@v4
         with:
-          path: ./.cache/pypoetry
-          key: poetry-cache-${{ runner.os }}-${{ hashFiles('**/poetry.lock') }}
+          path: .venv
+          key: venv-ruff-${{ runner.os }}-${{ hashFiles('**/poetry.lock') }}
 
       - name: Install dependencies
+        if: steps.cached-poetry-dependencies.outputs.cache-hit != 'true'
         run: poetry install --only dev
 
       - name: Ruff version
@@ -60,10 +58,10 @@ jobs:
   run-unit-tests:
     name: Run unit tests using matrix
     needs: ruff
-    strategy:
+    strategy: 
       fail-fast: false
       matrix:
-        python-version: ["3.10", "3.11", "3.12", "3.13"]
+        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13", "3.14"]
 
     runs-on: [self-hosted, Linux, X64]
     timeout-minutes: 30
@@ -71,7 +69,7 @@ jobs:
     steps:
       - name: Checkout repository
         uses: actions/checkout@v5
-
+      
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
@@ -84,15 +82,12 @@ jobs:
           virtualenvs-create: true
           virtualenvs-in-project: true
 
-      - name: Configure Poetry cache
-        run: poetry config cache-dir ./.cache/pypoetry
-
-      - name: Load cached poetry dependencies
+      - name: Load cached venv
         id: cached-poetry-dependencies
         uses: actions/cache@v4
         with:
-          path: ./.cache/pypoetry
-          key: poetry-cache-${{ runner.os }}-${{ matrix.python-version }}-${{ hashFiles('**/poetry.lock') }}
+          path: .venv
+          key: venv-tests-${{ runner.os }}-${{ hashFiles('**/poetry.lock') }}
 
       - name: Install dependencies
         run: poetry install --no-interaction
@@ -101,36 +96,36 @@ jobs:
         run: |
           poetry run pytest \
             --cov=c2pie \
-            --cov-report=xml:coverage-unit.xml \
             -m "not e2e" \
             --maxfail=1 \
             -v
 
       - name: Upload coverage artifact
-        if: (matrix.os == 'ubuntu-latest' || runner.os == 'Linux') && matrix.python-version == '3.12'
+        if: matrix.python-version == '3.12'
         uses: actions/upload-artifact@v4
         with:
+          include-hidden-files: true
           name: coverage-unit
-          path: |
-            coverage-unit.xml
-            .coverage
+          path: .coverage
 
   run-e2e-tests:
     name: Run e2e tests
     needs: ruff
-    strategy:
+
+    strategy: 
       fail-fast: false
       matrix:
-        python-version: ["3.10", "3.11", "3.12", "3.13"]
+        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13", "3.14"]
 
     runs-on: [self-hosted, Linux, X64]
     timeout-minutes: 30
-
+    
     steps:
       - name: Checkout repository
         uses: actions/checkout@v5
-
-      - uses: actions/setup-python@v5
+      
+      - name: Set up Python
+        uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
 
@@ -141,15 +136,12 @@ jobs:
           virtualenvs-create: true
           virtualenvs-in-project: true
 
-      # - name: Configure Poetry cache
-      #   run: poetry config cache-dir ./.cache/pypoetry
-
-      # - name: Load cached poetry dependencies
-      #   id: cached-poetry-dependencies
-      #   uses: actions/cache@v4
-      #   with:
-      #     path: ./.cache/pypoetry
-      #     key: poetry-cache-${{ runner.os }}-${{ matrix.python-version }}-${{ hashFiles('**/poetry.lock') }}
+      - name: Load cached venv
+        id: cached-poetry-dependencies
+        uses: actions/cache@v4
+        with:
+          path: .venv
+          key: venv-tests-${{ runner.os }}-${{ hashFiles('**/poetry.lock') }}
 
       - name: Install dependencies
         run: poetry install --no-interaction
@@ -175,7 +167,7 @@ jobs:
       - name: Add cargo to PATH
         run: echo "$HOME/.cargo/bin" >> $GITHUB_PATH
 
-      - name: Verify if c2patool is installed
+      - name: Verify if c2patool is installed 
         run: |
           c2patool -V
 
@@ -183,30 +175,28 @@ jobs:
         run: |
           poetry run pytest tests/c2pa/e2e_test.py \
             --cov=c2pie \
-            --cov-report=xml:coverage-e2e.xml \
             -v
         env:
           C2PIE_KEY_FILEPATH: ${{ vars.C2PIE_KEY_FILEPATH }}
           C2PIE_CERT_FILEPATH: ${{ vars.C2PIE_CERT_FILEPATH }}
 
       - name: Upload coverage artifact
-        if: (matrix.os == 'ubuntu-latest' || runner.os == 'Linux') && matrix.python-version == '3.12'
+        if: matrix.python-version == '3.12'
         uses: actions/upload-artifact@v4
         with:
+          include-hidden-files: true
           name: coverage-e2e
-          path: |
-            coverage-e2e.xml
-            .coverage
-
+          path: .coverage
+        
   combine-coverage:
     name: Combine coverage and upload to Codecov
     needs: [run-unit-tests, run-e2e-tests]
-    runs-on: [self-hosted, Linux, X64]
-
+    runs-on:  [self-hosted, Linux, X64]
+    
     steps:
       - name: Checkout repository
         uses: actions/checkout@v5
-
+      
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
@@ -216,24 +206,30 @@ jobs:
         run: python -m pip install coverage[toml]
 
       - name: Download unit coverage
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v5
         with:
           name: coverage-unit
-          path: ./coverage-unit
+          path: coverage-unit
 
       - name: Download e2e coverage
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v5
         with:
           name: coverage-e2e
-          path: ./coverage-e2e
+          path: coverage-e2e
 
       - name: Combine coverage reports
         run: |
-          coverage combine ./coverage-unit/.coverage ./coverage-e2e/.coverage
+          coverage combine  ./coverage-e2e/.coverage ./coverage-unit/.coverage
           coverage xml -o coverage-combined.xml
           coverage report --format=markdown >> $GITHUB_STEP_SUMMARY
-          coverage report
+          coverage json -o coverage-combined.json
 
+      - name: Upload combined coverage artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: coverage-combined
+          path: coverage-combined.json
+        
       - name: Upload to Codecov
         uses: codecov/codecov-action@v4
         with:
@@ -241,3 +237,4 @@ jobs:
           fail_ci_if_error: false
           token: ${{ secrets.CODECOV_TOKEN }}
 
+      # ![Coverage](https://codecov.io/gh/TourmalineCore/c2pie/branch/master/graph/badge.svg)
\ No newline at end of file
diff --git a/.github/workflows/publish-package.yml b/.github/workflows/publish-package.yml
index 8745cbcf..a30031e1 100644
--- a/.github/workflows/publish-package.yml
+++ b/.github/workflows/publish-package.yml
@@ -16,7 +16,7 @@ jobs:
   linting-and-testing:
     name: Linting and Testing
     uses: ./.github/workflows/lint-and-test.yml
-  package-publishing:
+  release-build:
     name: Build and Publish Package
     if: startsWith(github.event.ref, 'refs/tags/v')
     needs: linting-and-testing
@@ -25,7 +25,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
+        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13", "3.14"]
 
     runs-on: ${{ matrix.os }}
     timeout-minutes: 30
@@ -45,14 +45,29 @@ jobs:
         with:
           version: 'latest'
 
-      - name: Run Poetry install
+      - name: Build and Publish the Package        
         run: |
-          poetry lock && poetry install --no-interaction --no-ansi
+          poetry build
 
-      - name: Configure Repository Credentials
-        run: |
-          poetry config pypi-token.pypi ${{ secrets.PYPI_TOKEN }}
+      - name: Upload dists
+        uses: actions/upload-artifact@v4
+        with:
+          name: release-dists
+          path: dist/
 
-      - name: Build and Publish the Package        
-        run: |
-          poetry publish --build
\ No newline at end of file
+  pypi-publish:
+    runs-on: ubuntu-latest
+    needs:
+      - release-build
+    permissions:
+      id-token: write
+
+    steps:
+      - name: Retrieve release distributions
+        uses: actions/download-artifact@v5
+        with:
+          name: release-dists
+          path: dist/
+
+      - name: Publish release distributions to PyPI
+        uses: pypa/gh-action-pypi-publish@3e4f5a6b7c8d9e0f1a2b3c4d5e6f7a8b9c0d1e2f
\ No newline at end of file
diff --git a/README.md b/README.md
index d67ac399..a7b616aa 100644
--- a/README.md
+++ b/README.md
@@ -6,8 +6,7 @@
 
 -------
 
-[![Unit Tests](https://github.com/TourmalineCore/tc-c2pa-py/actions/workflows/run_unit_tests.yml/badge.svg)](https://github.com/TourmalineCore/tc-c2pa-py/actions/workflows/run_unit_tests.yml)
-[![Lint](https://github.com/TourmalineCore/tc-c2pa-py/actions/workflows/lint.yml/badge.svg)](https://github.com/TourmalineCore/tc-c2pa-py/actions/workflows/lint.yml)
+[![CI](https://github.com/TourmalineCore/c2pie/actions/workflows/lint-and-test.yml/badge.svg)](https://github.com/TourmalineCore/c2pie/actions/workflows/lint-and-test.yml)
 
 <br>
 
diff --git a/c2pie/jumbf_boxes/super_box.py b/c2pie/jumbf_boxes/super_box.py
index 0c1e06bc..8ff8dfab 100644
--- a/c2pie/jumbf_boxes/super_box.py
+++ b/c2pie/jumbf_boxes/super_box.py
@@ -1,4 +1,5 @@
 # Jumbf super box class
+from __future__ import annotations
 
 from c2pie.jumbf_boxes.box import Box
 from c2pie.jumbf_boxes.content_box import ContentBox
diff --git a/c2pie/signing.py b/c2pie/signing.py
index dc5404d2..de5da794 100644
--- a/c2pie/signing.py
+++ b/c2pie/signing.py
@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 import hashlib
 import os
 from pathlib import Path
diff --git a/poetry.lock b/poetry.lock
index a2676010..8aeda360 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -605,5 +605,5 @@ files = [
 
 [metadata]
 lock-version = "2.1"
-python-versions = ">=3.9.2,<3.14"
-content-hash = "24f51121611add2f1457606c221021350b3b641cc14ea53c1ae8029a5454ad1f"
+python-versions = ">=3.9.2,<3.15"
+content-hash = "a6fbc153e43b02a84ca1c6300722b132b6e5343a2969e80a8b84c032de524769"
diff --git a/pyproject.toml b/pyproject.toml
index 13a880d2..42d6c340 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -37,7 +37,7 @@ Issues = "https://github.com/TourmalineCore/c2pie/issues"
 c2pie = 'c2pie.main:main'
 
 [tool.poetry.dependencies]
-python = ">=3.9.2,<3.14"
+python = ">=3.9.2,<3.15"
 cbor2 = "^5.6.3"
 cryptography = ">=44.0.1"
 pytz = "^2024.1"