diff --git a/configs/sandbox_defconfig b/configs/sandbox_defconfig
index 9814ea3..cdaf3bb 100644
--- a/configs/sandbox_defconfig
+++ b/configs/sandbox_defconfig
@@ -173,3 +173,5 @@
 CONFIG_UT_TIME=y
 CONFIG_UT_DM=y
 CONFIG_UT_ENV=y
+CONFIG_DM_PWM=y
+CONFIG_PWM_SANDBOX=y