diff --git a/cnapy/gui_elements/main_window.py b/cnapy/gui_elements/main_window.py
index d7e1e188..5c67d3fd 100644
--- a/cnapy/gui_elements/main_window.py
+++ b/cnapy/gui_elements/main_window.py
@@ -24,7 +24,7 @@
                             QMainWindow, QMessageBox, QToolBar, QShortcut, QStatusBar, QLabel)
 from qtpy.QtWebEngineWidgets import QWebEngineView
 
-from cnapy.appdata import AppData
+from cnapy.appdata import AppData, CnaMap
 from cnapy.gui_elements.about_dialog import AboutDialog
 from cnapy.gui_elements.central_widget import CentralWidget, ModelTabIndex
 from cnapy.gui_elements.clipboard_calculator import ClipboardCalculator
@@ -1265,6 +1265,8 @@ def new_project_from_sbml(self, filename=''):
             self.appdata.project.cobra_py_model = cobra_py_model
             self.set_current_filename(filename)
 
+            default_map = CnaMap("Map")
+            self.appdata.project.maps = {"Map": default_map}
             self.recreate_maps()
             self.centralWidget().update(rebuild_all_tabs=True)
             self.update_scenario_file_name()
diff --git a/pyproject.toml b/pyproject.toml
index 9923fd99..2ac56593 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -19,14 +19,14 @@ dependencies = [
     "appdirs>=1.4",
     "matplotlib>=3.6",
     "requests>=2.28",
-    "cobra>=0.29",
+    "cobra>=0.30",
     "efmtool_link>=0.0.8",
     "optlang_enumerator>=0.0.12",
     "straindesign>=1.12",
     "qtpy>=2.3",
     "pyqtwebengine>=5.15",
     "qtconsole==5.4",
-    "gurobipy==11.*",
+    "gurobipy>=12.0",
     "cplex==22.1.2.0", # We use this specific version as it's currently the last one with support for ARM CPUs
     "numpy==1.23",
     "scipy==1.12",