diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1658cda..4cf7345 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,7 +14,7 @@ on:
 
 jobs:
   testing:
-    name: Unit Testing (Python ${{ matrix.python }})
+    name: Unit Testing (Python ${{ matrix.python }}, ipywidgets${{ matrix.ipywidgets }})
     runs-on: ubuntu-20.04
     strategy:
       matrix:
@@ -23,6 +23,9 @@ jobs:
           - "3.8"
           - "3.9"
           - "3.10"
+        ipywidgets:
+          - "<8"
+          - "==8.0.0rc0"
 
     steps:
     - name: Checkout repository
@@ -35,6 +38,7 @@ jobs:
 
     - name: Install package and development dependencies
       run: |
+        python -m pip install "ipywidgets${{ matrix.ipywidgets }}"
         python -m pip install .
         python -m pip install -r requirements-dev.txt
 
diff --git a/ipywidgets_jsonschema/__init__.py b/ipywidgets_jsonschema/__init__.py
index 3ebd6e0..2dbe7ee 100644
--- a/ipywidgets_jsonschema/__init__.py
+++ b/ipywidgets_jsonschema/__init__.py
@@ -1,3 +1,3 @@
 from ipywidgets_jsonschema.form import Form
 
-__version__ = "0.8.0"
+__version__ = "0.8.1"
diff --git a/ipywidgets_jsonschema/form.py b/ipywidgets_jsonschema/form.py
index ee4ffb8..674f0c1 100644
--- a/ipywidgets_jsonschema/form.py
+++ b/ipywidgets_jsonschema/form.py
@@ -11,7 +11,7 @@
 
 
 # We are providing some compatibility for ipywidgets v7 and v8
-IS_VERSION_8 = version.parse(ipywidgets.__version__) >= version.parse("8")
+IS_VERSION_8 = version.parse(ipywidgets.__version__).major == 8
 
 
 class FormError(Exception):