diff --git a/lib/node_modules/@stdlib/namespace/test/test.cli.js b/lib/node_modules/@stdlib/namespace/test/test.cli.js
index 896ecfce3a08..4af7ca561295 100644
--- a/lib/node_modules/@stdlib/namespace/test/test.cli.js
+++ b/lib/node_modules/@stdlib/namespace/test/test.cli.js
@@ -191,6 +191,7 @@ tape( 'when invoked with a `-V` flag, the command-line interface prints the vers
 
 tape( 'the command-line interface prints selected fields of the stdlib namespace (comma-separated values)', opts, function test( t ) {
 	var expected;
+	var opts;
 	var cmd;
 
 	cmd = [
@@ -201,7 +202,11 @@ tape( 'the command-line interface prints selected fields of the stdlib namespace
 
 	expected = csv( namespace(), [ 'alias', 'path' ] );
 
-	exec( cmd.join( ' ' ), done );
+	opts = {
+		'maxBuffer': 5000*1024
+	};
+
+	exec( cmd.join( ' ' ), opts, done );
 
 	function done( error, stdout, stderr ) {
 		if ( error ) {
@@ -218,6 +223,7 @@ tape( 'the command-line interface prints selected fields of the stdlib namespace
 
 tape( 'the command-line interface prints the stdlib namespace (newline-delimited JSON)', opts, function test( t ) {
 	var fields;
+	var opts;
 	var cmd;
 	var ns;
 
@@ -228,7 +234,11 @@ tape( 'the command-line interface prints the stdlib namespace (newline-delimited
 	fields = [ 'alias', 'path', 'type', 'related' ];
 	ns = namespace();
 
-	exec( cmd.join( ' ' ), done );
+	opts = {
+		'maxBuffer': 5000*1024
+	};
+
+	exec( cmd.join( ' ' ), opts, done );
 
 	function done( error, stdout, stderr ) {
 		var expected;