diff --git a/convergence-arrow/Cargo.toml b/convergence-arrow/Cargo.toml
index 3d483b5..3755a14 100644
--- a/convergence-arrow/Cargo.toml
+++ b/convergence-arrow/Cargo.toml
@@ -10,7 +10,7 @@ repository = "https://github.com/returnString/convergence"
 [dependencies]
 tokio = { version = "1" }
 async-trait = "0.1"
-datafusion = "38"
+datafusion = "43"
 convergence = { path = "../convergence", version = "0.16.0" }
 chrono = "0.4"
 
diff --git a/convergence-arrow/examples/datafusion.rs b/convergence-arrow/examples/datafusion.rs
index aa4591e..d1c40f3 100644
--- a/convergence-arrow/examples/datafusion.rs
+++ b/convergence-arrow/examples/datafusion.rs
@@ -2,8 +2,9 @@ use convergence::server::{self, BindOptions};
 use convergence_arrow::datafusion::DataFusionEngine;
 use convergence_arrow::metadata::Catalog;
 use datafusion::arrow::datatypes::DataType;
-use datafusion::catalog::schema::MemorySchemaProvider;
-use datafusion::catalog::{CatalogProvider, MemoryCatalogProvider};
+use datafusion::catalog_common::memory::MemorySchemaProvider;
+use datafusion::catalog::CatalogProvider;
+use datafusion::catalog_common::MemoryCatalogProvider;
 use datafusion::logical_expr::Volatility;
 use datafusion::physical_plan::ColumnarValue;
 use datafusion::prelude::*;
@@ -35,7 +36,7 @@ async fn new_engine() -> DataFusionEngine {
 	ctx.register_udf(create_udf(
 		"pg_backend_pid",
 		vec![],
-		Arc::new(DataType::Int32),
+		DataType::Int32,
 		Volatility::Stable,
 		Arc::new(|_| Ok(ColumnarValue::Scalar(ScalarValue::Int32(Some(0))))),
 	));
@@ -43,7 +44,7 @@ async fn new_engine() -> DataFusionEngine {
 	ctx.register_udf(create_udf(
 		"current_schema",
 		vec![],
-		Arc::new(DataType::Utf8),
+		DataType::Utf8,
 		Volatility::Stable,
 		Arc::new(|_| Ok(ColumnarValue::Scalar(ScalarValue::Utf8(Some("public".to_owned()))))),
 	));
diff --git a/convergence-arrow/src/metadata.rs b/convergence-arrow/src/metadata.rs
index ad63207..6417711 100644
--- a/convergence-arrow/src/metadata.rs
+++ b/convergence-arrow/src/metadata.rs
@@ -3,8 +3,9 @@
 use datafusion::arrow::array::{ArrayRef, Int32Builder, StringBuilder, UInt32Builder};
 use datafusion::arrow::datatypes::{Field, Schema};
 use datafusion::arrow::record_batch::RecordBatch;
-use datafusion::catalog::schema::{MemorySchemaProvider, SchemaProvider};
 use datafusion::catalog::CatalogProvider;
+use datafusion::catalog::SchemaProvider;
+use datafusion::catalog_common::memory::MemorySchemaProvider;
 use datafusion::datasource::{MemTable, TableProvider};
 use datafusion::error::DataFusionError;
 use std::convert::TryInto;
@@ -153,6 +154,7 @@ impl MetadataBuilder {
 }
 
 /// Wrapper catalog supporting generation of pg metadata (e.g. pg_catalog schema).
+#[derive(Debug)]
 pub struct Catalog {
 	wrapped: Arc<dyn CatalogProvider>,
 }
diff --git a/convergence/src/protocol_ext.rs b/convergence/src/protocol_ext.rs
index 575090f..b146775 100644
--- a/convergence/src/protocol_ext.rs
+++ b/convergence/src/protocol_ext.rs
@@ -138,7 +138,7 @@ impl<'a> DataRowWriter<'a> {
 	primitive_write!(write_float8, f64);
 }
 
-impl<'a> Drop for DataRowWriter<'a> {
+impl Drop for DataRowWriter<'_> {
 	fn drop(&mut self) {
 		assert_eq!(
 			self.parent.num_cols, self.current_col,
diff --git a/convergence/tests/test_connection.rs b/convergence/tests/test_connection.rs
index c234a57..1f23bdf 100644
--- a/convergence/tests/test_connection.rs
+++ b/convergence/tests/test_connection.rs
@@ -79,16 +79,16 @@ async fn extended_query_flow() {
 async fn simple_query_flow() {
 	let client = setup().await;
 	let messages = client.simple_query("select 1").await.unwrap();
-	assert_eq!(messages.len(), 2);
+	assert_eq!(messages.len(), 3);
 
-	let row = match &messages[0] {
+	let row = match &messages[1] {
 		SimpleQueryMessage::Row(row) => row,
 		_ => panic!("expected row"),
 	};
 
 	assert_eq!(row.get(0), Some("1"));
 
-	let num_rows = match &messages[1] {
+	let num_rows = match &messages[2] {
 		SimpleQueryMessage::CommandComplete(rows) => *rows,
 		_ => panic!("expected command complete"),
 	};