diff --git a/.github/workflows/runTestSinglePython.yml b/.github/workflows/runTestSinglePython.yml
index d5db61fe3..8364cf24f 100644
--- a/.github/workflows/runTestSinglePython.yml
+++ b/.github/workflows/runTestSinglePython.yml
@@ -23,27 +23,12 @@ jobs:
     - uses: actions/checkout@v4
       with:
         fetch-depth: 0
-    - name: Set up Python
-      uses: actions/setup-python@v5
+    - uses: prefix-dev/setup-pixi@v0.8.3
       with:
-        python-version: '3.12'
-        check-latest: true
-    - name: Install dependencies
+        cache: false
+    - name: Pixi run pytest
       run: |
-        python -m pip install  --upgrade pip
-        pip install flake8 pytest pytest-cov
-        pip install numpy cython
-        pip install setuptools
-        pip install pytest-mock
-    - name: Compile cython code
-      run: |
-        python setup.py build_ext --inplace --define CYTHON_TRACE
-    - name: Install avaframe
-      run: |
-        pip install  .
-    - name: Test with pytest
-      run: |
-        pytest -ra --cov --cov-report=xml --cov-report lcov:cov.info --cov-config=.coveragerc
+        pixi run pytest -ra --cov --cov-report=xml --cov-report lcov:cov.info --cov-config=.coveragerc
     - uses: qltysh/qlty-action/coverage@main
       with:
         coverage-token: ${{secrets.QLTY_COVERAGE_TOKEN}}
diff --git a/.gitignore b/.gitignore
index e8bf69210..0982d9c80 100644
--- a/.gitignore
+++ b/.gitignore
@@ -16,7 +16,7 @@ Work
 
 build
 
-RELEASE-VERSION
+RELEASE-VERSION.txt
 
 *.egg*
 
diff --git a/MANIFEST.in b/MANIFEST.in
index 10f238b60..323c5fec4 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,8 +1,10 @@
-include avaframe/RELEASE-VERSION
+include avaframe/RELEASE-VERSION.txt
 include avaframe/version.py
 include avaframe/in3Utils/logging.conf
 include avaframe/com1DFA/*.pyx
-include avaframe/com1DFA/*.pxd
 recursive-include avaframe *Cfg.ini
 global-exclude local_*Cfg.ini
 prune benchmarks
+prune docs
+prune avaframe/tests
+prune avaframe/data
diff --git a/avaframe/version.py b/avaframe/version.py
index 9d5c18a11..53f7585b0 100644
--- a/avaframe/version.py
+++ b/avaframe/version.py
@@ -4,7 +4,7 @@
 # scheme that setuptools uses.  If “git describe” returns an error
 # (most likely because we're in an unpacked copy of a release tarball,
 # rather than in a git working copy), then we fall back on reading the
-# contents of the RELEASE-VERSION file.
+# contents of the RELEASE-VERSION.txt file.
 #
 # To use this script, simply import it your setup.py file, and use the
 # results of getVersion() as your package version:
@@ -27,7 +27,7 @@
 # sdist tarballs; to do this, just create a MANIFEST.in file that
 # contains the following line:
 #
-#   include RELEASE-VERSION
+#   include RELEASE-VERSION.txt
 
 from subprocess import check_output, run, CalledProcessError, DEVNULL, Popen, PIPE
 import os
@@ -89,7 +89,7 @@ def releaseFile():
         -------
         path to RELEASE-VERSION file
     """
-    return os.path.join(getProjectPath(), 'RELEASE-VERSION')
+    return os.path.join(getProjectPath(), 'RELEASE-VERSION.txt')
 
 
 def readReleaseVersion():
diff --git a/codecov.yml b/codecov.yml
deleted file mode 100644
index e704c7967..000000000
--- a/codecov.yml
+++ /dev/null
@@ -1,19 +0,0 @@
-github_checks:
-    annotations: false
-
-coverage:
-  status:
-    project:
-      default:
-        informational: true 
-        target: auto
-        threshold: 0%
-    patch:
-      default:
-        informational: true
-        target: auto
-        threshold: 0%
-
-ignore:
-  - "**/run*.py"
-  - "**/com4FlowPy/*"
diff --git a/pyproject.toml b/pyproject.toml
index eb1397528..4c0373624 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -50,15 +50,15 @@ dependencies = [
 
 # Setuptools
 [tool.setuptools]
-include-package-data = true
+include-package-data = false
 
 [tool.setuptools.packages.find]
-exclude = ["docs"]
-namespaces = false
+exclude = ["docs*", "tests*"]
 
 [tool.setuptools_scm]
 version_scheme = "no-guess-dev"
 local_scheme = "node-and-date"
+version_file = "avaframe/RELEASE-VERSION.txt"
 
 # Cibuildwhell
 [tool.cibuildwheel]
@@ -84,8 +84,6 @@ channels = ["https://prefix.dev/conda-forge"]
 platforms = ["linux-64", "win-64", "osx-64"]
 
 [tool.pixi.dependencies]
-pytest = "*"
-pytest-mock ="*"
 setuptools = "*"
 setuptools-scm = "*"
 
@@ -95,6 +93,9 @@ avaframe = { path = "./", editable = true }
 
 [tool.pixi.feature.dev.dependencies]
 pixi-pycharm = "*"
+pytest = "*"
+pytest-cov = "*"
+pytest-mock ="*"
 
 #Feature doc
 [tool.pixi.feature.doc.dependencies]
diff --git a/setup.py b/setup.py
index e340044d0..5f4fdf4cc 100644
--- a/setup.py
+++ b/setup.py
@@ -35,12 +35,12 @@
 setup(
     options=setup_options,
     ext_modules=ext_modules,
-    install_requires=[
-        'numpy',
-        'scipy',
-        'cython',
-        'matplotlib',
-        'pandas'
-    ],
-    python_requires='>=3.8',
+    # install_requires=[
+    #     'numpy',
+    #     'scipy',
+    #     'cython',
+    #     'matplotlib',
+    #     'pandas'
+    # ],
+    # python_requires='>=3.8',
 )
\ No newline at end of file