diff --git a/config/mbedtls_config.h b/config/mbedtls_config.h
index 42ff286..ecc0ad1 100644
--- a/config/mbedtls_config.h
+++ b/config/mbedtls_config.h
@@ -2748,7 +2748,7 @@
  * Caller:  library/md.c
  *
  */
-//#define MBEDTLS_RIPEMD160_C
+#define MBEDTLS_RIPEMD160_C
 
 /**
  * \def MBEDTLS_RSA_C
diff --git a/pico_hsm_sdk_import.cmake b/pico_hsm_sdk_import.cmake
index e7dc7f0..436cd53 100644
--- a/pico_hsm_sdk_import.cmake
+++ b/pico_hsm_sdk_import.cmake
@@ -93,6 +93,7 @@ ${CMAKE_CURRENT_LIST_DIR}/mbedtls/library/sha512.c
 ${CMAKE_CURRENT_LIST_DIR}/mbedtls/library/chachapoly.c
 ${CMAKE_CURRENT_LIST_DIR}/mbedtls/library/chacha20.c
 ${CMAKE_CURRENT_LIST_DIR}/mbedtls/library/poly1305.c
+${CMAKE_CURRENT_LIST_DIR}/mbedtls/library/ripemd160.c
 )
 set(INCLUDES ${INCLUDES}
 ${CMAKE_CURRENT_LIST_DIR}/src