diff --git a/postgres/src/client.rs b/postgres/src/client.rs
index e513e51e..e9a03ceb 100644
--- a/postgres/src/client.rs
+++ b/postgres/src/client.rs
@@ -455,7 +455,10 @@ impl Client {
 }
 
 impl GenericConnection for Client {
-    fn execute(&mut self, query: &str, params: &[&(dyn ToSql + Sync)]) -> Result<u64, Error> {
+    fn execute<T>(&mut self, query: &T, params: &[&(dyn ToSql + Sync)]) -> Result<u64, Error>
+    where
+        T: ?Sized + ToStatement,
+    {
         self.execute(query, params)
     }
     fn query<T>(&mut self, query: &T, params: &[&(dyn ToSql + Sync)]) -> Result<Vec<Row>, Error>
diff --git a/postgres/src/generic_connection.rs b/postgres/src/generic_connection.rs
index a25b283b..3a8e6788 100644
--- a/postgres/src/generic_connection.rs
+++ b/postgres/src/generic_connection.rs
@@ -5,7 +5,9 @@ use tokio_postgres::{Error, Row};
 /// A trait allowing abstraction over connections and transactions
 pub trait GenericConnection {
     /// Like `Client::execute`.
-    fn execute(&mut self, query: &str, params: &[&(dyn ToSql + Sync)]) -> Result<u64, Error>;
+    fn execute<T>(&mut self, query: &T, params: &[&(dyn ToSql + Sync)]) -> Result<u64, Error>
+    where
+        T: ?Sized + ToStatement;
 
     /// Like `Client::query`.
     fn query<T>(&mut self, query: &T, params: &[&(dyn ToSql + Sync)]) -> Result<Vec<Row>, Error>
diff --git a/postgres/src/transaction.rs b/postgres/src/transaction.rs
index de49489a..98b6bff5 100644
--- a/postgres/src/transaction.rs
+++ b/postgres/src/transaction.rs
@@ -181,7 +181,10 @@ impl<'a> Transaction<'a> {
 }
 
 impl<'a> GenericConnection for Transaction<'a> {
-    fn execute(&mut self, query: &str, params: &[&(dyn ToSql + Sync)]) -> Result<u64, Error> {
+    fn execute<T>(&mut self, query: &T, params: &[&(dyn ToSql + Sync)]) -> Result<u64, Error>
+    where
+        T: ?Sized + ToStatement,
+    {
         self.execute(query, params)
     }
     fn query<T>(&mut self, query: &T, params: &[&(dyn ToSql + Sync)]) -> Result<Vec<Row>, Error>