diff --git a/client/deps/mbedtls.cmake b/client/deps/mbedtls.cmake
index c1ab8d880..49c141b68 100644
--- a/client/deps/mbedtls.cmake
+++ b/client/deps/mbedtls.cmake
@@ -22,7 +22,8 @@ add_library(pm3rrg_rdv4_mbedtls STATIC
         ../../common/mbedtls/des.c
         ../../common/mbedtls/ecdsa.c
         ../../common/mbedtls/md.c
-        ../../common/mbedtls/md5.c
+        ../../common/mbedtls/hkdf.c
+        ../../common/mbedtls/md5.c        
         ../../common/mbedtls/oid.c
         ../../common/mbedtls/pem.c
         ../../common/mbedtls/arc4.c