diff --git a/.github/workflows/docu.yml b/.github/workflows/docu.yml
index c384783..d4a9d00 100644
--- a/.github/workflows/docu.yml
+++ b/.github/workflows/docu.yml
@@ -30,4 +30,4 @@ jobs:
           path: .cache
           restore-keys: |
             mkdocs-material-
-      - run: uv run mkdocs gh-deploy --force
+      - run: uv run --group docs mkdocs gh-deploy --force
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index cc1776c..f495865 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -20,8 +20,24 @@ jobs:
       - name: Run checks
         run: uv run inv check
 
+  tests:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: ["3.11", "3.12", "3.13"]
+    steps:
+      - name: Check out
+        uses: actions/checkout@v4
+      - name: Set up the environment with multiple python versions
+        uses: astral-sh/setup-uv@v6
+        with:
+          version: "0.8.16"
+          enable-cache: true
+          cache-dependency-glob: "pyproject.toml"
+          python-version: ${{ matrix.python-version }}
       - name: Run test
-        run: uv run inv tests.run
+        run: uv run --group test inv tests.run --parallel
 
   check-docs:
     runs-on: ubuntu-latest
@@ -33,4 +49,4 @@ jobs:
         uses: ./.github/actions/setup-venv
 
       - name: Check if documentation can be built
-        run: uv run mkdocs build -s
+        run: uv run --group docs inv docs.build
diff --git a/.gitignore b/.gitignore
index c78fe4c..10ab90e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,6 +3,7 @@ slim.report.*
 .infisical.json
 backups
 uv.lock
+.vscode
 #
 #
 # Byte-compiled / optimized / DLL files
diff --git a/README.md b/README.md
index 8d55cf1..f192c33 100644
--- a/README.md
+++ b/README.md
@@ -1,13 +1,13 @@
 <h3 align="center"><b>Imgora</b></h3>
 <p align="center">
-  <a href="https://burgdev.github.io/imgora"><img src="assets/logo/logo.svg" alt="Imgora" width="128" /></a>
+  <a href="https://burgdev.github.io/imgora"><img src="https://raw.githubusercontent.com/burgdev/imgora/refs/heads/main/assets/logo/logo.svg" alt="Imgora" width="128" /></a>
 </p>
 <p align="center">
     <em>Chainable Python client for Imagor and Thumbor image processing servers</em>
 </p>
 <p align="center">
-    <b><a href="https://burgdev.github.io/imgora/docu/">Documentation</a></b>
-    | <b><a href="https://pypi.org/project/imgora/">PyPI</a></b>
+    <b><a href="https://burgdev.github.io/imgora">Documentation</a></b>
+    | <b><a href="https://pypi.org/project/imgora">PyPI</a></b>
 </p>
 
 ---
diff --git a/pyproject.toml b/pyproject.toml
index aa0bb4d..efa5441 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -65,6 +65,7 @@ test = [
     "pytest>=8.3.4",
     "pytest-cov>=4.1.0",
     "pytest-docker>=1.0.0",
+    "pytest-xdist>=3.8.0",
 ]
 
 
diff --git a/tasks/project.py b/tasks/project.py
index 619b972..13ce914 100644
--- a/tasks/project.py
+++ b/tasks/project.py
@@ -81,7 +81,7 @@ def install(
     if venv_update:
         update_venv(c)
     if group:
-        success(f"Group {', '.join([f"'{g}'" for g in group])} installed.")
+        success("Group " + ", ".join([f"'{g}'" for g in group]) + " installed.")
     success("Installation done, your are ready to go ...")
 
 
@@ -126,7 +126,7 @@ def release(
         if unreleased or length == 0:
             echo("\n".join(cl))
         else:
-            echo(f"{"\n".join(cl[:length])}\n...\n")
+            echo("\n".join(cl[:length]) + "\n...\n")
         header("Changelog end") if dry else None
     else:
         cl = (
diff --git a/tasks/tests.py b/tasks/tests.py
index 6fc7092..407ec56 100644
--- a/tasks/tests.py
+++ b/tasks/tests.py
@@ -1,13 +1,13 @@
 from tasks import (
+    Ctx,
     doc,
     header,
     task,
-    Ctx,
 )
 
 
 @task
-def run(c: Ctx):
+def run(c: Ctx, parallel: bool = False):
     """Run tests"""
     header(doc())
-    c.run("pytest -v", echo=True, pty=True)
+    c.run("pytest -v" + (" -n auto" if parallel else ""), echo=True, pty=True)