diff --git a/examples/6_dust_evolution.ipynb b/examples/6_dust_evolution.ipynb
index 46da6f4..7748c27 100644
--- a/examples/6_dust_evolution.ipynb
+++ b/examples/6_dust_evolution.ipynb
@@ -718,7 +718,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.12.0"
+   "version": "3.11.5"
   }
  },
  "nbformat": 4,
diff --git a/examples/7_gas_evolution.ipynb b/examples/7_gas_evolution.ipynb
index 158b310..366d93a 100644
--- a/examples/7_gas_evolution.ipynb
+++ b/examples/7_gas_evolution.ipynb
@@ -415,7 +415,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.12.0"
+   "version": "3.11.5"
   }
  },
  "nbformat": 4,
diff --git a/examples/example_planetary_gaps.ipynb b/examples/example_planetary_gaps.ipynb
index a9c6d4a..1297c15 100644
--- a/examples/example_planetary_gaps.ipynb
+++ b/examples/example_planetary_gaps.ipynb
@@ -1031,7 +1031,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.12.0"
+   "version": "3.11.5"
   }
  },
  "nbformat": 4,
diff --git a/examples/example_planetesimal_formation.ipynb b/examples/example_planetesimal_formation.ipynb
index 743ffc9..0426658 100644
--- a/examples/example_planetesimal_formation.ipynb
+++ b/examples/example_planetesimal_formation.ipynb
@@ -915,7 +915,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.12.0"
+   "version": "3.11.5"
   }
  },
  "nbformat": 4,
diff --git a/examples/test_analytical_coagulation_kernels.ipynb b/examples/test_analytical_coagulation_kernels.ipynb
index d5bccf3..5b470a8 100644
--- a/examples/test_analytical_coagulation_kernels.ipynb
+++ b/examples/test_analytical_coagulation_kernels.ipynb
@@ -1434,7 +1434,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.12.0"
+   "version": "3.11.5"
   }
  },
  "nbformat": 4,