diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0c289c1..19d882e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,24 @@
 # CHANGELOG.md
 
+## 0.4.2 (2023-11-13)
+
+This is Qiskit patch release, updating the qiskit and qiskit-aer Package.
+
+Qiskit Dependencies:
+
+- Bump qiskit from 0.44.2 to 0.45.0 
+  - all unparametrized gates in the Qiskit standard circuit library are now singletons.
+  - qiskit.extensions will be fully deprecated in a future release, moved to the circuit library.
+- Bump qiskit-aer from 0.12.2 to 0.13.0
+
+Other Dependencies:
+
+- Bump ipython from 8.16.1 to 8.17.2
+- Bump notebook from 7.0.4 to 7.0.6 
+- Bump numpy from 1.26.0 to 1.26.1
+- Bump pylint from 3.0.1 to 3.0.2
+
+
 ## 0.4.1 (2023-10-12)
 
 This is small patch release, updating only the Qiskit Package.
diff --git a/pyproject.toml b/pyproject.toml
index 61691a8..bc399fc 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -13,7 +13,7 @@ exclude = ['qiskit_class_converter*tests']
 
 [project]
 name = "qiskit-classroom-converter"
-version = "0.4.1"
+version = "0.4.2"
 authors = [
     { name = "KMU-quantum-classroom" },
 ]
diff --git a/qiskit_class_converter/converters/matrix_to_quantum_circuit.py b/qiskit_class_converter/converters/matrix_to_quantum_circuit.py
index 86431e4..bb4aa19 100644
--- a/qiskit_class_converter/converters/matrix_to_quantum_circuit.py
+++ b/qiskit_class_converter/converters/matrix_to_quantum_circuit.py
@@ -34,7 +34,7 @@ def actual_convert_action(self):
         self.logger.debug("matrix to quantum circuit")
         # type validate
         if isinstance(self.input_value, (List, np.ndarray)):
-            gate = self.qiskit.extensions.UnitaryGate(self.input_value)
+            gate = self.qiskit.circuit.library.UnitaryGate(self.input_value).to_mutable()
         else:
             raise TypeError("List or np.ndarray is required.")
         # parse by unitary circuit. can't describe what circuit is.