diff --git a/ament_cmake_pytest/package.xml b/ament_cmake_pytest/package.xml
index 2b8010ab..3df3f5c4 100644
--- a/ament_cmake_pytest/package.xml
+++ b/ament_cmake_pytest/package.xml
@@ -14,6 +14,7 @@
 
   <buildtool_depend>ament_cmake_core</buildtool_depend>
   <buildtool_depend>ament_cmake_test</buildtool_depend>
+  <buildtool_depend>python3-pytest</buildtool_depend>
 
   <buildtool_export_depend>ament_cmake_core</buildtool_export_depend>
   <buildtool_export_depend>ament_cmake_test</buildtool_export_depend>