diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index d89542a..c23cb6b 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -68,6 +68,8 @@
             --directory ${CMAKE_CURRENT_BINARY_DIR}/suites
         DEPENDS
             ${CMAKE_CURRENT_SOURCE_DIR}/../tests/scripts/generate_bignum_tests.py
+            ${CMAKE_CURRENT_SOURCE_DIR}/../scripts/mbedtls_dev/bignum_common.py
+            ${CMAKE_CURRENT_SOURCE_DIR}/../scripts/mbedtls_dev/bignum_core.py
             ${CMAKE_CURRENT_SOURCE_DIR}/../scripts/mbedtls_dev/test_case.py
             ${CMAKE_CURRENT_SOURCE_DIR}/../scripts/mbedtls_dev/test_data_generation.py
     )