diff --git a/notebooks/introductory/meta/1._Add_a_MetaCat_to_a_Model.ipynb b/notebooks/introductory/meta/1._Add_a_MetaCat_to_a_Model.ipynb
index 1362c6f..cc976ac 100644
--- a/notebooks/introductory/meta/1._Add_a_MetaCat_to_a_Model.ipynb
+++ b/notebooks/introductory/meta/1._Add_a_MetaCat_to_a_Model.ipynb
@@ -76,7 +76,7 @@
     }
    ],
    "source": [
-    "! pip install \"git+https://github.com/CogStack/MedCAT2@v0.2.1#egg=medcat2[meta-cat]\" # NOTE: VERSION-STRING"
+    "! pip install \"git+https://github.com/CogStack/MedCAT2@v0.3.3#egg=medcat2[meta-cat]\" # NOTE: VERSION-STRING"
    ]
   },
   {
@@ -127,7 +127,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 3,
+   "execution_count": null,
    "id": "034a9108",
    "metadata": {},
    "outputs": [
@@ -144,8 +144,6 @@
     }
    ],
    "source": [
-    "from tokenizers import ByteLevelBPETokenizer\n",
-    "from medcat2.components.addons.meta_cat.meta_cat_tokenizers import TokenizerWrapperBPE\n",
     "# create config\n",
     "config = ConfigMetaCAT()\n",
     "# add categoryy name\n",
@@ -153,15 +151,13 @@
     "config.model.nclasses = 3\n",
     "config.general.category_value2id = {'False': 2, 'Hypothetical': 1, 'True': 0}\n",
     "\n",
-    "# create tokenizer\n",
-    "bpe_tok = ByteLevelBPETokenizer()\n",
     "data_path = os.path.join(\"in_data\", \"tok_data.txt\")\n",
-    "bpe_tok.train(data_path)\n",
-    "tokenizer = TokenizerWrapperBPE(bpe_tok)\n",
     "\n",
     "# create MetaCAT\n",
     "# TODO: remove need for call to protected attribute\n",
-    "mc = MetaCATAddon.create_new(config, cat._pipeline.tokenizer, tokenizer)\n",
+    "mc = MetaCATAddon.create_new(\n",
+    "    config, cat._pipeline.tokenizer,\n",
+    "    tknzer_preprocessor=lambda tknzer: tknzer.hf_tokenizers.train(data_path))\n",
     "\n",
     "# add MetaCAT\n",
     "if cat.config.components.addons:\n",
diff --git a/notebooks/introductory/migration/1._Migrate_v1_model_to_v2.ipynb b/notebooks/introductory/migration/1._Migrate_v1_model_to_v2.ipynb
index 42e91d8..223d337 100644
--- a/notebooks/introductory/migration/1._Migrate_v1_model_to_v2.ipynb
+++ b/notebooks/introductory/migration/1._Migrate_v1_model_to_v2.ipynb
@@ -28,7 +28,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 2,
+   "execution_count": null,
    "id": "007aa248",
    "metadata": {},
    "outputs": [
@@ -131,7 +131,7 @@
     }
    ],
    "source": [
-    "! pip install \"git+https://github.com/CogStack/MedCAT2@v0.2.1#egg=medcat2[meta-cat,spacy,deid]\""
+    "! pip install \"git+https://github.com/CogStack/MedCAT2@v0.3.3#egg=medcat2[meta-cat,spacy,deid]\""
    ]
   },
   {
diff --git a/requirements.txt b/requirements.txt
index c312819..9e4ac6a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-git+https://github.com/CogStack/MedCAT2@v0.2.1#egg=medcat2
+git+https://github.com/CogStack/MedCAT2@v0.3.3#egg=medcat2
 ipykernel
 pytest-xdist~=3.6.0
 nbmake<1.6