diff --git a/rdf/RDF.ipynb b/rdf/RDF.ipynb
index c28c098..eca5488 100644
--- a/rdf/RDF.ipynb
+++ b/rdf/RDF.ipynb
@@ -72,7 +72,7 @@
     "deletable": false,
     "editable": false,
     "nbgrader": {
-     "checksum": "6455a9642f93288f6c74b88d0892c4c7",
+     "checksum": "711717202b6164f635b1ee3947368ad5",
      "grade": false,
      "grade_id": "cell-d7f1ea9c021693b8",
      "locked": true,
@@ -84,7 +84,7 @@
    "source": [
     "# Install a pip package in the current Jupyter kernel\n",
     "import sys\n",
-    "!{sys.executable} -m pip install -r requirements.txt\n"
+    "!{sys.executable} -m pip install --user -r requirements.txt"
    ]
   },
   {