diff --git a/docker/openappsec-envoy-attachments/CMakeLists.txt b/docker/openappsec-envoy-attachments/CMakeLists.txt
index a37fc2e..40c5aa4 100755
--- a/docker/openappsec-envoy-attachments/CMakeLists.txt
+++ b/docker/openappsec-envoy-attachments/CMakeLists.txt
@@ -1,5 +1,7 @@
 message(STATUS "OUTPUT_ENVOY_FILTERS_DOCKER_IMAGE = ${OUTPUT_ENVOY_FILTERS_DOCKER_IMAGE}")
 
+install(PROGRAMS ${CMAKE_CURRENT_SOURCE_DIR}/prepare_attachment.sh DESTINATION ${CMAKE_INSTALL_PREFIX})
+
 add_custom_command(
     OUTPUT ${CMAKE_INSTALL_PREFIX}/envoy-filters-docker.img
     COMMAND docker build -t envoy-filters-docker -f ${CMAKE_CURRENT_SOURCE_DIR}/Dockerfile ${CMAKE_INSTALL_PREFIX}
@@ -7,4 +9,5 @@ add_custom_command(
     COMMAND docker image save envoy-filters-docker -o ${CMAKE_INSTALL_PREFIX}/envoy-filters-docker.img
 )
 
-add_custom_target(envoy-filters-docker DEPENDS ${CMAKE_INSTALL_PREFIX}/envoy-filters-docker.img)
\ No newline at end of file
+add_custom_target(envoy-filters-docker DEPENDS ${CMAKE_INSTALL_PREFIX}/envoy-filters-docker.img)
+