diff --git a/setup.py b/setup.py
index 3a580a01..42e0f89b 100644
--- a/setup.py
+++ b/setup.py
@@ -26,7 +26,7 @@
     install_requires=[
         'docutils',
         'jinja2',
-        'nbconvert!=5.4',
+        'nbconvert>=5.3,!=5.4',
         'traitlets>=5',
         'nbformat',
         'sphinx>=1.8',
diff --git a/src/nbsphinx/__init__.py b/src/nbsphinx/__init__.py
index 5f547bc3..f490def3 100644
--- a/src/nbsphinx/__init__.py
+++ b/src/nbsphinx/__init__.py
@@ -616,7 +616,7 @@ def parse(self, inputstring, document):
 
         try:
             rststring, resources = exporter.from_notebook_node(nb, resources)
-        except nbconvert.preprocessors.execute.CellExecutionError as e:
+        except nbconvert.preprocessors.CellExecutionError as e:
             lines = str(e).split('\n')
             lines[0] = 'CellExecutionError in {}:'.format(
                 env.doc2path(env.docname, base=None))