diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6b4eab9..41ed143 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -52,6 +52,7 @@ endif()
 
 target_sources(pico_hsm PUBLIC
         ${CMAKE_CURRENT_LIST_DIR}/pico-ccid/src/usb/usb.c
+        ${CMAKE_CURRENT_LIST_DIR}/pico-ccid/src/usb/usb_descriptors.c
         ${CMAKE_CURRENT_LIST_DIR}/pico-ccid/src/ccid/ccid2040.c
         ${CMAKE_CURRENT_LIST_DIR}/src/hsm/sc_hsm.c
         ${CMAKE_CURRENT_LIST_DIR}/pico-ccid/src/fs/file.c