diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 6dc3583..c2a5d27 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -1,6 +1,10 @@
 name: Python package
 
-on: [pull_request, push]
+on:
+  pull_request:
+  push:
+    branches:
+      - master
 
 jobs:
   test-on-linux:
@@ -14,7 +18,7 @@ jobs:
       fail-fast: false
       matrix:
         os: ["ubuntu-latest", "windows-latest"]
-        python-version: ["3.8", "3.9", "3.10"]
+        python-version: ["3.9", "3.10", "3.11"]
     steps:
     - uses: actions/checkout@v3
       with:
@@ -28,10 +32,10 @@ jobs:
         python-version: ${{ matrix.python-version }}
     - name: Install Dependences
       run: |
-        conda install --yes conda-build conda-verify pytest pytest-cov hypothesis statsmodels pytensor c-compiler
+        conda install --yes conda-build boa conda-verify pytest pytest-cov hypothesis statsmodels pytensor c-compiler
     - name: Build package
       run: |
-        conda build --variants "{python: [${{ matrix.python-version }}]}" ./sunode/conda
+        conda mambabuild --variants "{python: [${{ matrix.python-version }}]}" ./sunode/conda
     - name: Install package 
       run: |
         conda install --yes -c file:///${CONDA_PREFIX}/conda-bld/ sunode
diff --git a/conda/meta.yaml b/conda/meta.yaml
index 16fcfa3..7542a86 100644
--- a/conda/meta.yaml
+++ b/conda/meta.yaml
@@ -20,18 +20,16 @@ requirements:
   host:
     - python
     - pip
-    - numpy >=1.14
     - liblapack
     - cffi
     - sundials >=5.3,<6.0
   run:
     - python
-    - numpy >=1.14
     - cffi
     - xarray
     - scipy
     - sundials >=5.3,<6.0
-    - numba >=0.49
+    - numba >=0.57
     - typing_extensions
     - sympy >=1.8
 
diff --git a/setup.py b/setup.py
index b85d287..d6a07ea 100644
--- a/setup.py
+++ b/setup.py
@@ -20,7 +20,7 @@ def get_version():
     author='Adrian Seyboldt',
     author_email='adrian.seyboldt@gmail.com',
     description='Python wrapper of sundials for solving ordinary differential equations',
-    url='https://github.com/aseyboldt/sunode',
+    url='https://github.com/pymc-devs/sunode',
     setup_requires=["cffi>=1.0.0"],
     cffi_modules=[
         "sunode/build_cvodes.py:ffibuilder",
diff --git a/sunode/wrappers/__init__.py b/sunode/wrappers/__init__.py
index 9fb2e5e..d0945c9 100644
--- a/sunode/wrappers/__init__.py
+++ b/sunode/wrappers/__init__.py
@@ -1,4 +1,3 @@
 from . import as_pytensor
-from . import as_pytensor as as_aesara
 
-__all__ = ['as_aesara', 'as_pytensor']
\ No newline at end of file
+__all__ = ("as_pytensor",)
diff --git a/sunode/wrappers/as_pytensor.py b/sunode/wrappers/as_pytensor.py
index 69c11eb..137ad74 100644
--- a/sunode/wrappers/as_pytensor.py
+++ b/sunode/wrappers/as_pytensor.py
@@ -1,15 +1,8 @@
-try:
-    import pytensor.tensor as pt
-    from pytensor.graph.basic import Constant, Variable
-    from pytensor.graph.fg import MissingInputError
-    from pytensor.graph.op import Op
-    from pytensor.gradient import grad_not_implemented
-except ModuleNotFoundError:
-    import aesara.tensor as pt
-    from aesara.graph.basic import Constant, Variable
-    from aesara.graph.fg import MissingInputError
-    from aesara.graph.op import Op
-    from aesara.gradient import grad_not_implemented
+import pytensor.tensor as pt
+from pytensor.graph.basic import Constant, Variable
+from pytensor.graph.fg import MissingInputError
+from pytensor.graph.op import Op
+from pytensor.gradient import grad_not_implemented
 import copy
 from typing import Dict, Optional, Any, Callable
 
@@ -52,12 +45,11 @@ def read_dict(vals, name=None):
             if isinstance(vals, tuple):
                 tensor, dim_names = vals
             else:
-                try:
-                    tensor, dim_names = vals, pt.as_tensor_variable(vals, dtype="float64").shape.eval()
-                except MissingInputError as e:
+                tensor, dim_names = vals, pt.as_tensor_variable(vals, dtype="float64").type.shape
+                if any(d is None for d in dim_names):
                     raise ValueError(
-                        'Shapes of tensors need to be statically '
-                        'known or given explicitly.') from e
+                        'Shapes of tensors need to be statically known or given explicitly.'
+                    )
             if isinstance(dim_names, (str, int)):
                 dim_names = (dim_names,)
             tensor = pt.as_tensor_variable(tensor, dtype="float64")