diff --git a/.coveragerc b/.coveragerc
new file mode 100644
index 0000000..8fb14b9
--- /dev/null
+++ b/.coveragerc
@@ -0,0 +1,11 @@
+[run]
+source = cosmicfishpie
+omit =
+    venv/*
+
+[report]
+exclude_lines =
+    pragma: no cover
+    def __repr__
+    raise NotImplementedError
+    if __name__ == .__main__.:
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3ad843f..dba0a39 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -16,4 +16,34 @@ jobs:
           pip install .[dev]
       - name: Run tests
         run: |
-          pytest
\ No newline at end of file
+          pytest
+      - name: coverage.py badge
+        uses: tj-actions/coverage-badge-py@v2.0.3
+      - name: Verify Changed files
+        uses: tj-actions/verify-changed-files@v16
+        id: verify-changed-files
+        with:
+          files: coverage.svg
+      - name: Commit files
+        if: steps.verify-changed-files.outputs.files_changed == 'true'
+        run: |
+          git config --local user.email "github-actions[bot]@users.noreply.github.com"
+          git config --local user.name "github-actions[bot]"
+          git add coverage.svg
+          git commit -m "Updated coverage.svg"
+      - name: Push changes
+        if: steps.verify-changed-files.outputs.files_changed == 'true'
+        uses: ad-m/github-push-action@master
+        with:
+          github_token: ${{ secrets.github_token }}
+          branch: ${{ github.ref }}      
+      - name: Re-pull on failure
+        if: ${{ failure() }}
+        run: git pull origin ${{ github.ref }} --autostash --rebase -X ours
+      - name: Re-push on failure
+        if: ${{ failure() }}
+        uses: ad-m/github-push-action@master
+        with:
+          branch: ${{ github.ref }}
+          force: true
+          github_token: ${{ secrets.GITHUB_TOKEN }}
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index b715b4a..9cfea67 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -27,3 +27,4 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 1.0.8 : Overview documentation and initial tests
 1.1.0 : Implemented symbolic as a new boltzmann solver class. Fixes of feedback prints. More docstrings.
 1.1.1 : Resolved gcsp bias bug, new test suite. 
+1.1.2 : Coverage badge
diff --git a/README.md b/README.md
index c2af1c7..003e869 100644
--- a/README.md
+++ b/README.md
@@ -1,8 +1,7 @@
 # cosmicfishpie
 
 [![Documentation Status](https://readthedocs.org/projects/cosmicfishpie/badge/?version=latest)](https://cosmicfishpie.readthedocs.io/en/latest/?badge=latest)
-
-[![Coverage Status](./coverage-badge.svg?dummy=8484744)](./coverage_reports/index.html)
+![Coverage](./coverage.svg)
 
 <div align="center">
   <img src="https://github.com/santiagocasas/cosmicfishpie/assets/6987716/1816b3b7-0920-4a2c-aafd-9c4ba1dc3e2b" width="280">
diff --git a/coverage.svg b/coverage.svg
new file mode 100644
index 0000000..d199f25
--- /dev/null
+++ b/coverage.svg
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg xmlns="http://www.w3.org/2000/svg" width="99" height="20">
+    <linearGradient id="b" x2="0" y2="100%">
+        <stop offset="0" stop-color="#bbb" stop-opacity=".1"/>
+        <stop offset="1" stop-opacity=".1"/>
+    </linearGradient>
+    <mask id="a">
+        <rect width="99" height="20" rx="3" fill="#fff"/>
+    </mask>
+    <g mask="url(#a)">
+        <path fill="#555" d="M0 0h63v20H0z"/>
+        <path fill="#e05d44" d="M63 0h36v20H63z"/>
+        <path fill="url(#b)" d="M0 0h99v20H0z"/>
+    </g>
+    <g fill="#fff" text-anchor="middle" font-family="DejaVu Sans,Verdana,Geneva,sans-serif" font-size="11">
+        <text x="31.5" y="15" fill="#010101" fill-opacity=".3">coverage</text>
+        <text x="31.5" y="14">coverage</text>
+        <text x="80" y="15" fill="#010101" fill-opacity=".3">33%</text>
+        <text x="80" y="14">33%</text>
+    </g>
+</svg>
diff --git a/pyproject.toml b/pyproject.toml
index 1a18354..5e189a7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -48,7 +48,9 @@ dev = [
     "sphinx-autodoc-typehints==1.23.3",
     "sphinx_rtd_theme>=1.0",
     "packaging",
-    "camb"
+    "camb",
+    "colossus",
+    "symbolic-pofk@git+https://github.com/DeaglanBartlett/symbolic_pofk.git"
 ]
 
 [project.scripts]
diff --git a/pytest.ini b/pytest.ini
new file mode 100644
index 0000000..4a4ef94
--- /dev/null
+++ b/pytest.ini
@@ -0,0 +1,10 @@
+[pytest]
+testpaths =
+    tests
+addopts =
+    --cov=cosmicfishpie
+    --cov-report=xml
+    --log-cli-level=ERROR
+filterwarnings =
+    ignore::DeprecationWarning
+    ignore::PendingDeprecationWarning
diff --git a/tests/conftest.py b/tests/conftest.py
index 2fe4576..18c107f 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -2,7 +2,7 @@
 
 from cosmicfishpie.fishermatrix import cosmicfish as cff
 
-code_to_use = "camb"
+code_to_use = "symbolic"
 
 
 @pytest.fixture(scope="module")