diff --git a/3rdparty/voicevox/package.xml b/3rdparty/voicevox/package.xml
index c14e28938..6d3909166 100644
--- a/3rdparty/voicevox/package.xml
+++ b/3rdparty/voicevox/package.xml
@@ -23,6 +23,7 @@
   <build_depend>unzip</build_depend>
   <build_depend>wget</build_depend>
 
+  <exec_depend>python-is-python3</exec_depend>
   <exec_depend>python3</exec_depend>
   <exec_depend>python3-requests</exec_depend>
   <exec_depend>sound_play</exec_depend>