diff --git a/langserver/internal/bigquery/bigquery.go b/langserver/internal/bigquery/bigquery.go
index 6882308..0da1e4b 100644
--- a/langserver/internal/bigquery/bigquery.go
+++ b/langserver/internal/bigquery/bigquery.go
@@ -77,7 +77,7 @@ func (c *client) GetDefaultProject() string {
 }
 
 func (c *client) ListProjects(ctx context.Context) ([]*cloudresourcemanager.Project, error) {
-	caller := c.cloudresourcemanagerService.Projects.List().Context(ctx)
+	caller := c.cloudresourcemanagerService.Projects.List().PageSize(1000).Context(ctx)
 
 	list, err := caller.Do()
 	if err != nil {
diff --git a/langserver/internal/bigquery/cache.go b/langserver/internal/bigquery/cache.go
index c97369a..9fbb86a 100644
--- a/langserver/internal/bigquery/cache.go
+++ b/langserver/internal/bigquery/cache.go
@@ -83,10 +83,14 @@ func (c *cache) callListProjects(ctx context.Context) ([]*cloudresourcemanager.P
 	}
 
 	if len(result) > 0 {
-		err := c.db.InsertProjects(ctx, result)
-		if err != nil {
-			// TODO
-			fmt.Fprintf(os.Stderr, "failed to insert projects: %v\n", err)
+		insertSize := 1000
+		for i := 0; i < len(result); i += insertSize {
+			insertItems := result[i:min(len(result), i+insertSize)]
+			err := c.db.InsertProjects(ctx, insertItems)
+			if err != nil {
+				// TODO
+				fmt.Fprintf(os.Stderr, "failed to insert projects: %v\n", err)
+			}
 		}
 	}
 	return result, nil