diff --git a/.github/workflows/python-tox.yml b/.github/workflows/python-tox.yml
index 63eca60..6763937 100644
--- a/.github/workflows/python-tox.yml
+++ b/.github/workflows/python-tox.yml
@@ -23,3 +23,5 @@ jobs:
         pip install tox tox-gh-actions
     - name: Test with tox
       run: tox
+    - name: Test example notebook with tox
+      run: tox -e testnb
diff --git a/tox.ini b/tox.ini
index 80dc7bf..0147efd 100644
--- a/tox.ini
+++ b/tox.ini
@@ -4,14 +4,14 @@
 # and then run "tox" from this directory.
 
 [tox]
-envlist = py37,py38,py39,py310,py311,py312,pre-commit
+envlist = py37,py38,py39,py310,py311,py312,pre-commit,testnb
 isolated_build = True
 
 [gh-actions]
 python =
     3.7: py37
     3.8: py38
-    3.9: py39,pre-commit
+    3.9: py39,pre-commit,testnb
     3.10: py310
     3.11: py311
     3.12: py312
@@ -30,3 +30,10 @@ commands =
     python -m gurobi_logtools --timelines test.xlsx data/*.log
     python -m gurobi_logtools -t test.xlsx data/*.log
     python -m gurobi_logtools --write-to-dir nicenames summary.xlsx tests/assets/combined/*.log
+
+[testenv:testnb]
+deps =
+    pytest
+    nbmake
+commands =
+    pytest --nbmake --nbmake-kernel=python3 gurobi-logtools.ipynb