diff --git a/cratedb_toolkit/cfr/systable.py b/cratedb_toolkit/cfr/systable.py
index 28f36aaa..55193fb1 100644
--- a/cratedb_toolkit/cfr/systable.py
+++ b/cratedb_toolkit/cfr/systable.py
@@ -130,7 +130,7 @@ def read_table(self, tablename: str) -> pl.DataFrame:
         logger.debug(f"Running SQL: {sql}")
         return pl.read_database(
             query=sql,  # noqa: S608
-            connection=self.adapter.engine,
+            connection=self.adapter.connection,
             infer_schema_length=1000,
         )
 
diff --git a/pyproject.toml b/pyproject.toml
index 431f22f0..d83e76be 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -114,7 +114,7 @@ all = [
   "cratedb-toolkit[full,influxdb,mongodb]",
 ]
 cfr = [
-  "pandas<2.2",
+  "pandas<2.3",
   "pyarrow<17.1",
 ]
 cloud = [
@@ -156,7 +156,7 @@ io = [
   "cr8",
   "dask[dataframe]>=2020",
   "fsspec[s3,http]",
-  "pandas<3,>=1",
+  "pandas<2.3,>=1",
   "sqlalchemy>=2",
   "universal-pathlib<0.3",
 ]
@@ -177,7 +177,7 @@ mongodb = [
 ]
 pymongo = [
   "jessiql==1.0.0rc1",
-  "pandas==2.1.*",
+  "pandas<2.2",
   "pymongo<4.9",
   "sqlalchemy<2",
 ]