diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 0a4f6a05dc..e1f725d91f 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -247,7 +247,7 @@ jobs:
           path: coverage
 
       - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v4
+        uses: codecov/codecov-action@v3
         with:
           directory: ./coverage/
           fail_ci_if_error: true
diff --git a/readthedocs.yml b/.readthedocs.yaml
similarity index 100%
rename from readthedocs.yml
rename to .readthedocs.yaml
diff --git a/aesara/link/c/cmodule.py b/aesara/link/c/cmodule.py
index 7d81f1c4fd..adad1ef3ff 100644
--- a/aesara/link/c/cmodule.py
+++ b/aesara/link/c/cmodule.py
@@ -2722,7 +2722,12 @@ def default_blas_ldflags():
     """
     warn_record = []
     try:
-        blas_info = np.__config__.get_info("blas_opt")
+        try:
+            blas_info = np.__config__.get_info("blas_opt")
+        except AttributeError:
+            import numpy.distutils.system_info
+
+            blas_info = numpy.distutils.system_info.get_info("blas_opt")
 
         # If we are in a EPD installation, mkl is available
         if "EPD" in sys.version:
diff --git a/aesara/scalar/basic.py b/aesara/scalar/basic.py
index 81e83872e1..9ff25b30e0 100644
--- a/aesara/scalar/basic.py
+++ b/aesara/scalar/basic.py
@@ -1889,7 +1889,7 @@ class Mul(ScalarOp):
     commutative = True
     associative = True
     nfunc_spec = ("multiply", 2, 1)
-    nfunc_variadic = "product"
+    nfunc_variadic = "prod"
 
     def impl(self, *inputs):
         return np.prod(inputs)
diff --git a/doc/environment.yml b/doc/environment.yml
index eb30dfbd55..f2ad726d7a 100644
--- a/doc/environment.yml
+++ b/doc/environment.yml
@@ -9,7 +9,7 @@ dependencies:
   - numpy
   - scipy
   - six
-  - sphinx>=3
+  - sphinx>=3,<7
   - sphinx-book-theme
   - sphinx-design
   - sphinx_rtd_theme