diff --git a/src/gazebo_ros_actor/CMakeLists.txt b/src/gazebo_ros_actor/CMakeLists.txt
index c10bc38..c3e9793 100644
--- a/src/gazebo_ros_actor/CMakeLists.txt
+++ b/src/gazebo_ros_actor/CMakeLists.txt
@@ -7,7 +7,6 @@ set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
 find_package(ament_cmake REQUIRED)
 find_package(rclcpp REQUIRED)
-find_package(rospy REQUIRED)
 find_package(tf2_geometry_msgs REQUIRED)
 find_package(gazebo REQUIRED)
 
diff --git a/src/ign_actor_plugin/CMakeLists.txt b/src/ign_actor_plugin/CMakeLists.txt
index 0be313d..f20018e 100644
--- a/src/ign_actor_plugin/CMakeLists.txt
+++ b/src/ign_actor_plugin/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.24)
+cmake_minimum_required(VERSION 3.5.1)
 project(ActorPlugin)
 
 set(IGN_PLUGIN_VER 0)
@@ -12,4 +12,5 @@ set_property(TARGET SampleSystem PROPERTY CXX_STANDARD 17)
 target_link_libraries(SampleSystem
         ignition-plugin${IGN_PLUGIN_VER}::ignition-plugin${IGN_PLUGIN_VER}
         ignition-gazebo5::ignition-gazebo5
-        )
\ No newline at end of file
+        )
+