diff --git a/libluna/CMakeLists.txt b/libluna/CMakeLists.txt
index cb1e3b85..de882d57 100644
--- a/libluna/CMakeLists.txt
+++ b/libluna/CMakeLists.txt
@@ -55,3 +55,8 @@ target_compile_options(luna-freestanding PRIVATE -mno-80387 -mno-mmx -mno-sse -m
 target_compile_definitions(luna-freestanding PUBLIC ARCH_X86_64)
 target_compile_definitions(luna PUBLIC ARCH_X86_64)
 endif()
+
+add_custom_command(
+    TARGET luna
+    COMMAND "${CMAKE_COMMAND}" -E copy ${CMAKE_CURRENT_BINARY_DIR}/libluna.a ${LUNA_BASE}/usr/lib/libluna.a
+)
diff --git a/libos/CMakeLists.txt b/libos/CMakeLists.txt
index 52dd7525..df35f48a 100644
--- a/libos/CMakeLists.txt
+++ b/libos/CMakeLists.txt
@@ -24,3 +24,8 @@ target_include_directories(os PUBLIC ${LUNA_BASE}/usr/include)
 if("${LUNA_ARCH}" MATCHES "x86_64")
 target_compile_definitions(os PUBLIC ARCH_X86_64)
 endif()
+
+add_custom_command(
+    TARGET os
+    COMMAND "${CMAKE_COMMAND}" -E copy ${CMAKE_CURRENT_BINARY_DIR}/libos.a ${LUNA_BASE}/usr/lib/libos.a
+)