diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 13e911a..665ab1f 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -31,7 +31,7 @@ jobs:
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v5
       with:
-        python-version: 3.8
+        python-version: 3.9
     - name: Install pypa/build
       run: |
         python -m pip install --upgrade pip
diff --git a/notebook_httpdbg/__init__.py b/notebook_httpdbg/__init__.py
index 97d8e5e..5772769 100644
--- a/notebook_httpdbg/__init__.py
+++ b/notebook_httpdbg/__init__.py
@@ -3,4 +3,4 @@
 
 __all__ = ["load_ipython_extension", "unload_ipython_extension"]
 
-VERSION = "0.2.1"
+VERSION = "0.3.0"
diff --git a/pyproject.toml b/pyproject.toml
index 60edda0..b7963dc 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -9,7 +9,7 @@ authors = [
 ]
 description="A notebook extension to trace HTTP(S) requests."
 readme="README.md"
-requires-python = ">=3.8.0"
+requires-python = ">=3.9.0"
 license = {text = "Apache-2.0"}
 classifiers = [
     "Development Status :: 4 - Beta",
@@ -22,7 +22,7 @@ classifiers = [
 ]
 dynamic = ["version"]
 dependencies = [
-  "httpdbg>=0.24.2,<0.28.0",
+  "httpdbg>=0.28.1",
   "notebook"
 ]