diff --git a/notebooks/run_all_notebooks.py b/notebooks/run_all_notebooks.py
index 98ed6a066669efdf005c292caa10eb4b6f4339cd..20f6e11907a2f09abd3b402788fa7ef9591a223f 100644
--- a/notebooks/run_all_notebooks.py
+++ b/notebooks/run_all_notebooks.py
@@ -65,7 +65,8 @@ def main():
         print("*****************************************************************")
 
         with path('notebooks', entry) as file_in:
-            out, err = run_python(" -m jupyter nbconvert --execute --to notebook --inplace " + str(file_in))
+            out, err = run_python(" -m jupyter nbconvert --ExecutePreprocessor.timeout=120 " + 
+                "--execute --to notebook --inplace " + str(file_in))
             sys.stderr.write(err)
             sys.stderr.flush()
             sys.stdout.write(out)