diff --git a/.github/workflows/general-ci.yml b/.github/workflows/general-ci.yml
index cde07f0406..8d622f758f 100644
--- a/.github/workflows/general-ci.yml
+++ b/.github/workflows/general-ci.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [3.7,'3.12']
+        python-version: ['3.9','3.13']
         simplify: [0,1,autoopt]
 
     steps:
diff --git a/dace/frontend/python/replacements.py b/dace/frontend/python/replacements.py
index 73ab0d154c..406b120567 100644
--- a/dace/frontend/python/replacements.py
+++ b/dace/frontend/python/replacements.py
@@ -1565,18 +1565,22 @@ def _representative_num(dtype: Union[dtypes.typeclass, Number]) -> Number:
         nptype = dtype.type
     else:
         nptype = dtype
-    if issubclass(nptype, bool):
+    if isinstance(nptype, type):
+        nptype_class = nptype
+    else:
+        nptype_class = type(nptype)
+    if issubclass(nptype_class, bool):
         return True
-    elif issubclass(nptype, np.bool_):
+    elif issubclass(nptype_class, np.bool_):
         return np.bool_(True)
-    elif issubclass(nptype, Integral):
+    elif issubclass(nptype_class, Integral):
         # NOTE: Returning the max representable integer seems a better choice
         # than 1, however it was causing issues with some programs. This should
         # be revisited in the future.
         # return nptype(np.iinfo(nptype).max)
         return nptype(1)
     else:
-        return nptype(np.finfo(nptype).resolution)
+        return nptype(np.finfo(nptype_class).resolution)
 
 
 def _np_result_type(nptypes):
diff --git a/doc/setup/installation.rst b/doc/setup/installation.rst
index 893f4a1688..5de6a6be7b 100644
--- a/doc/setup/installation.rst
+++ b/doc/setup/installation.rst
@@ -3,7 +3,7 @@
 Installation
 ============
 
-DaCe is routinely tested on and officially supports Python 3.7 or newer (Python 3.6 is also supported, but not actively tested).
+DaCe is routinely tested on and officially supports Python 3.9 to 3.13.
 
 .. _dependencies:
 
diff --git a/setup.py b/setup.py
index 9c9bc020bb..d9c611a26e 100644
--- a/setup.py
+++ b/setup.py
@@ -63,7 +63,7 @@
           "License :: OSI Approved :: BSD License",
           "Operating System :: OS Independent",
       ],
-      python_requires='>=3.6, <3.13',
+      python_requires='>=3.9, <3.14',
       packages=find_packages(exclude=["*.tests", "*.tests.*", "tests.*", "tests"]),
       package_data={
           '': [
diff --git a/tests/python_frontend/method_test.py b/tests/python_frontend/method_test.py
index 84576de313..6d1b2214d4 100644
--- a/tests/python_frontend/method_test.py
+++ b/tests/python_frontend/method_test.py
@@ -1,5 +1,6 @@
 # Copyright 2019-2021 ETH Zurich and the DaCe authors. All rights reserved.
 """ Tests dace.program as class methods """
+import pytest
 import dace
 import numpy as np
 import sys
@@ -126,6 +127,7 @@ def test_static_withclass():
     assert np.allclose(MyTestClass.static_withclass(A), A + 3)
 
 
+@pytest.mark.skip(reason="Python 3.13 removed chained @classmethods, making this impossible for now")
 def test_classmethod():
     # Only available in Python 3.9+
     if sys.version_info >= (3, 9):
@@ -282,7 +284,7 @@ def tester(a):
     test_callable()
     test_static()
     test_static_withclass()
-    test_classmethod()
+    #test_classmethod()
     test_nested_methods()
     test_decorator()
     test_sdfgattr_method_jit()