diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6c0fc94..8f75a5c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -175,11 +175,15 @@ set(NRFX_DRIVERS_SRC
     ${NRF_SDK_DIR}/modules/nrfx/drivers/src/nrfx_usbd.c
     ${NRF_SDK_DIR}/modules/nrfx/drivers/src/nrfx_gpiote.c
     ${NRF_SDK_DIR}/modules/nrfx/soc/nrfx_atomic.c
-)
-
-set(NRFX_LEGACY_SRC
+    ${NRF_SDK_DIR}/modules/nrfx/drivers/src/nrfx_spim.c
+    ${NRF_SDK_DIR}/modules/nrfx/drivers/src/nrfx_twim.c
+    )
+    
+    set(NRFX_LEGACY_SRC
     ${NRF_SDK_DIR}/integration/nrfx/legacy/nrf_drv_clock.c
     ${NRF_SDK_DIR}/integration/nrfx/legacy/nrf_drv_power.c
+    ${NRF_SDK_DIR}/integration/nrfx/legacy/nrf_drv_spi.c
+    ${NRF_SDK_DIR}/integration/nrfx/legacy/nrf_drv_twi.c
 )
 
 set(EXPERIMENTAL_SRC
@@ -227,6 +231,8 @@ target_link_libraries(${EXECUTABLE} PRIVATE
     lfs
     freertos
     nrf_log
+    m
+    c
 )
 
 # Optional: Print executable size as part of the post build process