diff --git a/Fig1_PyGMT_GMT_comparison.ipynb b/Fig1_PyGMT_GMT_comparison.ipynb
index e038222..7525bac 100644
--- a/Fig1_PyGMT_GMT_comparison.ipynb
+++ b/Fig1_PyGMT_GMT_comparison.ipynb
@@ -80,10 +80,11 @@
    "outputs": [],
    "source": [
     "import pygmt\n",
+    "from pygmt.params import Frame\n",
     "\n",
     "fig = pygmt.Figure()\n",
     "pygmt.config(FONT_TITLE=\"10p\", MAP_TITLE_OFFSET=\"4p\")\n",
-    "fig.basemap(region=[0, 20, 0, 3], projection=\"X7.5c/2c\", frame=\"lrtb+tGMT CLI\")\n",
+    "fig.basemap(region=[0, 20, 0, 3], projection=\"X7.5c/2c\", frame=Frame(\"lrtb\", title=\"GMT CLI\"))\n",
     "fig.paragraph(\n",
     "    x=0.25,\n",
     "    y=0.6,\n",
@@ -96,7 +97,7 @@
     ")\n",
     "\n",
     "fig.shift_origin(xshift=\"w+0.1c\")\n",
-    "fig.basemap(region=[0, 20, 0, 3], projection=\"X9.25c/2c\", frame=\"lrtb+tPyGMT\")\n",
+    "fig.basemap(region=[0, 20, 0, 3], projection=\"X9.25c/2c\", frame=Frame(\"lrtb\", title=\"PyGMT\"))\n",
     "fig.paragraph(\n",
     "    x=0.25,\n",
     "    y=0.25,\n",
@@ -128,7 +129,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.12.7"
+   "version": "3.12.8"
   }
  },
  "nbformat": 4,
diff --git a/Fig4_PyGMT_pandas.ipynb b/Fig4_PyGMT_pandas.ipynb
index 542a8fd..93d6da9 100644
--- a/Fig4_PyGMT_pandas.ipynb
+++ b/Fig4_PyGMT_pandas.ipynb
@@ -68,7 +68,11 @@
     "    fig.histogram(\n",
     "        region=[4.8, 9.2, 0, 0],\n",
     "        projection=\"X?/?\",\n",
-    "        frame=[\"WSrt\", \"xa1f0.2+lMagnitude\", \"yaf+lCounts\"],\n",
+    "        frame=Frame(\n",
+    "            axes=\"WSrt\", \n",
+    "            xaxis=Axis(annot=1, tick=0.2, label=\"Magnitude\"), \n",
+    "            yaxis=Axis(annot=True, tick=True, label=\"Counts\"),\n",
+    "        ),\n",
     "        data=df_eqs.mag,\n",
     "        series=0.2,\n",
     "        fill=\"darkgray\",\n",
diff --git a/Fig5_PyGMT_xarray.ipynb b/Fig5_PyGMT_xarray.ipynb
index 6e94561..d047835 100644
--- a/Fig5_PyGMT_xarray.ipynb
+++ b/Fig5_PyGMT_xarray.ipynb
@@ -8,7 +8,7 @@
    "outputs": [],
    "source": [
     "import pygmt\n",
-    "from pygmt.params import Position\n",
+    "from pygmt.params import Axis, Position\n",
     "\n",
     "mars = pygmt.datasets.load_mars_relief(resolution=\"10m\")\n",
     "with pygmt.config(PROJ_ELLIPSOID=\"mars\"):\n",
@@ -17,9 +17,9 @@
     "\n",
     "fig = pygmt.Figure()\n",
     "pygmt.makecpt(cmap=\"SCM/batlow\", series=[-6500, 6500])\n",
-    "fig.grdimage(mars_filter, shading=mars_grad, projection=\"G-90/20/12c\", frame=\"g30\")\n",
+    "fig.grdimage(mars_filter, shading=mars_grad, projection=\"G-90/20/12c\", frame=Axis(grid=30))\n",
     "fig.shift_origin(xshift=\"w+0.5c\")\n",
-    "fig.grdimage(mars_filter, shading=mars_grad, projection=\"G90/-20/12c\", frame=\"g30\")\n",
+    "fig.grdimage(mars_filter, shading=mars_grad, projection=\"G90/-20/12c\", frame=Axis(grid=30))\n",
     "fig.colorbar(\n",
     "    frame=[\"xa2000f1000+lElevation\", \"y+lm\"],\n",
     "    position=Position(\"BC\", cstype=\"outside\", offset=(-6.25, 0.2)),\n",
diff --git a/Fig7_PyGMT_datetime.ipynb b/Fig7_PyGMT_datetime.ipynb
index 1c1883d..7e07a27 100644
--- a/Fig7_PyGMT_datetime.ipynb
+++ b/Fig7_PyGMT_datetime.ipynb
@@ -52,13 +52,13 @@
     "\n",
     "import pandas as pd\n",
     "import pygmt\n",
-    "from pygmt.params import Box, Position\n",
+    "from pygmt.params import Axis, Box, Frame, Position\n",
     "\n",
     "fig = pygmt.Figure()\n",
     "fig.basemap(\n",
     "    projection=\"X12c/6c\",\n",
     "    region=[datetime.date(2016, 1, 1), datetime.datetime.now(), -50, 1000],\n",
-    "    frame=[\"x\", \"ya100f50+lGitHub stars\"],\n",
+    "    frame=Frame(xaxis=True, yaxis=Axis(annot=200, tick=50, label=\"GitHub stars\")),\n",
     ")\n",
     "\n",
     "for wrapper, file, color, symbol in zip(\n",
@@ -105,7 +105,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.13.9"
+   "version": "3.12.8"
   }
  },
  "nbformat": 4,