diff --git a/.github/workflows/code-quality-check.yml b/.github/workflows/code-quality-check.yml
new file mode 100644
index 0000000..66ac130
--- /dev/null
+++ b/.github/workflows/code-quality-check.yml
@@ -0,0 +1,18 @@
+name: Code Quality Check
+
+"on":
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  format:
+    name: Format and Lint Check
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: psf/black@stable
+      - uses: chartboost/ruff-action@v1
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
new file mode 100644
index 0000000..de1f1c0
--- /dev/null
+++ b/.github/workflows/publish.yml
@@ -0,0 +1,24 @@
+name: Publish
+on:
+  release:
+    types: [created]
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    permissions:
+      id-token: write
+
+    steps:
+      - uses: actions/checkout@v3
+      - name: Setup Python
+        uses: pdm-project/setup-pdm@v3
+        with:
+          python-version: 3.9
+          cache: true
+      - name: Install dependencies
+        run: pdm install
+      - name: Run pytest
+        run: pdm run pytest
+      - name: Publish
+        run: pdm publish
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
new file mode 100644
index 0000000..5f82860
--- /dev/null
+++ b/.github/workflows/tests.yml
@@ -0,0 +1,24 @@
+name: Tests
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  test:
+    name: Tests
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: ["3.9", "3.10", "3.11"]
+    steps:
+      - uses: actions/checkout@v3
+      - uses: pdm-project/setup-pdm@v3
+        with:
+          python-version: ${{ matrix.python-version }}
+          cache: true
+      - name: Install dependencies
+        run: pdm install
+      - name: Run pytest
+        run: pdm run pytest
diff --git a/didcomm_messaging/multiformats/multibase.py b/didcomm_messaging/multiformats/multibase.py
index 10b88bf..f66163c 100644
--- a/didcomm_messaging/multiformats/multibase.py
+++ b/didcomm_messaging/multiformats/multibase.py
@@ -41,17 +41,20 @@ def decode(self, value: str) -> bytes:
 
 class Base64UrlEncoder(MultibaseEncoder):
     """Base64URL encoding."""
+
     name = "base64url"
     character = "u"
 
     def encode(self, value: bytes) -> str:
         """Encode a byte string using the base64url encoding."""
         import base64
+
         return base64.urlsafe_b64encode(value).decode().rstrip("=")
 
     def decode(self, value: str) -> bytes:
         """Decode a base64url encoded string."""
         import base64
+
         return base64.urlsafe_b64decode(value + "=" * (-len(value) % 4))