diff --git a/notebooks/v1/ch-machine-learning/machine-learning-qiskit-pytorch.ipynb b/notebooks/v1/ch-machine-learning/machine-learning-qiskit-pytorch.ipynb
index d68978a73..e610efdbd 100644
--- a/notebooks/v1/ch-machine-learning/machine-learning-qiskit-pytorch.ipynb
+++ b/notebooks/v1/ch-machine-learning/machine-learning-qiskit-pytorch.ipynb
@@ -160,10 +160,12 @@
     "    def run(self, thetas):\n",
     "        t_qc = transpile(self._circuit,\n",
     "                         self.backend)\n",
-    "        qobj = assemble(t_qc,\n",
-    "                        shots=self.shots,\n",
-    "                        parameter_binds = [{self.theta: theta} for theta in thetas])\n",
-    "        job = self.backend.run(qobj)\n",
+    "        # Using a qobj for run() is deprecated as of qiskit-aer 0.9.0.\n",
+    "        # Therefore the transpiled qc (t_qc) is directly passed to the run method.\n",
+    "        # qobj = assemble(t_qc,\n",
+    "        #                 shots=self.shots,\n",
+    "        #                 parameter_binds = [{self.theta: theta} for theta in thetas])\n",
+    "        job = self.backend.run(t_qc)\n",
     "        result = job.result().get_counts()\n",
     "        \n",
     "        counts = np.array(list(result.values()))\n",
diff --git a/notebooks/v2/ch-machine-learning/machine-learning-qiskit-pytorch.ipynb b/notebooks/v2/ch-machine-learning/machine-learning-qiskit-pytorch.ipynb
index 758a16539..5bf3467ee 100644
--- a/notebooks/v2/ch-machine-learning/machine-learning-qiskit-pytorch.ipynb
+++ b/notebooks/v2/ch-machine-learning/machine-learning-qiskit-pytorch.ipynb
@@ -160,10 +160,12 @@
     "    def run(self, thetas):\n",
     "        t_qc = transpile(self._circuit,\n",
     "                         self.backend)\n",
-    "        qobj = assemble(t_qc,\n",
-    "                        shots=self.shots,\n",
-    "                        parameter_binds = [{self.theta: theta} for theta in thetas])\n",
-    "        job = self.backend.run(qobj)\n",
+    "        # Using a qobj for run() is deprecated as of qiskit-aer 0.9.0.\n",
+    "        # Therefore the transpiled qc (t_qc) is directly passed to the run method.\n",
+    "        # qobj = assemble(t_qc,\n",
+    "        #                 shots=self.shots,\n",
+    "        #                 parameter_binds = [{self.theta: theta} for theta in thetas])\n",
+    "        job = self.backend.run(t_qc)\n",
     "        result = job.result().get_counts()\n",
     "        \n",
     "        counts = np.array(list(result.values()))\n",