diff --git a/doc/notebooks/02_tutorial_basic_kernels.ipynb b/doc/notebooks/02_tutorial_basic_kernels.ipynb
index 400d1143e4d710cfaa295c1cf5e112db0be4ad4d..d5541ea0c619d9ffd746f1b638f07ab0052e6f9a 100644
--- a/doc/notebooks/02_tutorial_basic_kernels.ipynb
+++ b/doc/notebooks/02_tutorial_basic_kernels.ipynb
@@ -736,7 +736,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.6.5"
+   "version": "3.7.2"
   }
  },
  "nbformat": 4,
diff --git a/doc/notebooks/03_tutorial_datahandling.ipynb b/doc/notebooks/03_tutorial_datahandling.ipynb
index 75a720955d3a1bb83ad3f4afa0cfdccae400f152..dfa0d2739dad5c45df2dc73b5ce135c2590fb557 100644
--- a/doc/notebooks/03_tutorial_datahandling.ipynb
+++ b/doc/notebooks/03_tutorial_datahandling.ipynb
@@ -43,7 +43,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "# Tutorial 06: Datahandling"
+    "# Tutorial 03: Datahandling"
    ]
   },
   {
diff --git a/doc/notebooks/04_tutorial_advection_diffusion.ipynb b/doc/notebooks/04_tutorial_advection_diffusion.ipynb
index e3f394266226d83590b93f680904540d6e1862e6..250f2a31508f9c69714080457bec6a542f9dca04 100644
--- a/doc/notebooks/04_tutorial_advection_diffusion.ipynb
+++ b/doc/notebooks/04_tutorial_advection_diffusion.ipynb
@@ -13,7 +13,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "# Tutorial 03: Advection Diffusion - Simple finite differences discretization\n",
+    "# Tutorial 04: Advection Diffusion - Simple finite differences discretization\n",
     "\n",
     "In this tutorial we demonstrate how to use the discretization layer on top of *pystencils*, that defines how continuous differential operators are discretized. The result of this discretization layer are stencil equations which are used to generated C or CUDA code.\n",
     "\n",
@@ -201,7 +201,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.6.5"
+   "version": "3.7.2"
   }
  },
  "nbformat": 4,
diff --git a/doc/notebooks/05_tutorial_phasefield_spinodal_decomposition.ipynb b/doc/notebooks/05_tutorial_phasefield_spinodal_decomposition.ipynb
index 72c458ff401a49e7e29c3223a93675177895df9d..f9b40bed10729f512e086ad1377cf018dc745c9a 100644
--- a/doc/notebooks/05_tutorial_phasefield_spinodal_decomposition.ipynb
+++ b/doc/notebooks/05_tutorial_phasefield_spinodal_decomposition.ipynb
@@ -13,7 +13,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "# Tutorial 04: Phase-field simulation of spinodal decomposition\n",
+    "# Tutorial 05: Phase-field simulation of spinodal decomposition\n",
     "\n",
     "In this series of demos, we show how to implement simple phase field models using finite differences.\n",
     "We implement examples from the book **Programming Phase-Field Modelling** by S. Bulent Biner. \n",
@@ -413,7 +413,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.6.5"
+   "version": "3.7.2"
   }
  },
  "nbformat": 4,
diff --git a/doc/notebooks/06_tutorial_phasefield_dentritic_growth.ipynb b/doc/notebooks/06_tutorial_phasefield_dentritic_growth.ipynb
index f3bd93a5a3726b726ba5ab0401cfde49d61f55ee..3bde44267e3e6629caca511d98f0e9d021e26409 100644
--- a/doc/notebooks/06_tutorial_phasefield_dentritic_growth.ipynb
+++ b/doc/notebooks/06_tutorial_phasefield_dentritic_growth.ipynb
@@ -15,7 +15,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "# Tutorial 05: Phase-field simulation of dentritic solidification\n",
+    "# Tutorial 06: Phase-field simulation of dentritic solidification\n",
     "\n",
     "This is the second tutorial on phase field methods with pystencils. Make sure to read the previous tutorial first. \n",
     "\n",
@@ -442,7 +442,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.6.5"
+   "version": "3.7.2"
   }
  },
  "nbformat": 4,