diff --git a/.github/workflows/pull-request.yml b/.github/workflows/pull-request.yml
index 4a69f851a..e37b46c43 100644
--- a/.github/workflows/pull-request.yml
+++ b/.github/workflows/pull-request.yml
@@ -15,6 +15,8 @@ jobs:
         - "3.8"
         - "3.9"
         - "3.10"
+        - "3.11"
+        - "3.12"
     steps:
       - uses: actions/checkout@master
       - name: Set up Python ${{ matrix.version }}
diff --git a/CHANGELOG.md b/CHANGELOG.md
index e05bb06d0..149f2876b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,5 @@
 # Change log
-
+- [#564](https://github.com/mobilityhouse/ocpp/issues/564) Add support For Python 3.11 and 3.12
 - [#583](https://github.com/mobilityhouse/ocpp/issues/583) OCPP v1.6/v2.0.1 deprecate dataclasses from calls and call results with the suffix 'Payload'
 
 ## 0.26.0 (2024-01-17)
diff --git a/ocpp/exceptions.py b/ocpp/exceptions.py
index cefba9549..867b6a793 100644
--- a/ocpp/exceptions.py
+++ b/ocpp/exceptions.py
@@ -25,12 +25,12 @@ def __eq__(self, other):
 
     def __repr__(self):
         return (
-            f"<{self.__class__.__name__} - description={self.description},"
+            f"<{self.__class__.__name__} - description={self.description}, "
             f" details={self.details}>"
         )
 
     def __str__(self):
-        return f"{self.__class__.__name__}: {self.description}," f" {self.details}"
+        return f"{self.__class__.__name__}: {self.description}, " f" {self.details}"
 
 
 class NotImplementedError(OCPPError):