diff --git a/pyproject.toml b/pyproject.toml
index ca608f37..66a0730b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -83,10 +83,10 @@ dynamic = [
 dependencies = [
   "backports.zoneinfo<1; python_version<'3.9'",
   "crate>=2,<3",
-  "geojson<4,>=2.5",
+  "geojson>=2.5,<4",
   "importlib-metadata; python_version<'3.8'",
   "importlib-resources; python_version<'3.9'",
-  "sqlalchemy<2.1,>=1",
+  "sqlalchemy>=1,<2.1",
   "verlib2<0.4",
 ]
 optional-dependencies.all = [
@@ -109,7 +109,7 @@ optional-dependencies.release = [
 ]
 optional-dependencies.test = [
   "cratedb-toolkit[testing]",
-  "dask[dataframe]; python_version<'3.13'",
+  "dask[dataframe]",
   "pandas<2.3",
   "pueblo>=0.0.7",
   "pytest<9",
diff --git a/setup.cfg b/setup.cfg
deleted file mode 100644
index 79c80a4c..00000000
--- a/setup.cfg
+++ /dev/null
@@ -1,2 +0,0 @@
-[flake8]
-ignore = E501, C901, W503, W504
diff --git a/src/sqlalchemy_cratedb/compat/core14.py b/src/sqlalchemy_cratedb/compat/core14.py
index 89a8222e..15377f43 100644
--- a/src/sqlalchemy_cratedb/compat/core14.py
+++ b/src/sqlalchemy_cratedb/compat/core14.py
@@ -317,11 +317,7 @@ def _get_crud_params(compiler, stmt, compile_state, **kw):
             _column_as_key,
             kw,
         )
-    elif (
-        not values
-        and compiler.for_executemany  # noqa: W503
-        and compiler.dialect.supports_default_metavalue  # noqa: W503
-    ):
+    elif not values and compiler.for_executemany and compiler.dialect.supports_default_metavalue:
         # convert an "INSERT DEFAULT VALUES"
         # into INSERT (firstcol) VALUES (DEFAULT) which can be turned
         # into an in-place multi values.  This supports