diff --git a/boards/arm/stm32f7/stm32f746g-disco/configs/dropbear/defconfig b/boards/arm/stm32f7/stm32f746g-disco/configs/dropbear/defconfig
index 3ac3cd9ac3ea0..ce156a78cd097 100644
--- a/boards/arm/stm32f7/stm32f746g-disco/configs/dropbear/defconfig
+++ b/boards/arm/stm32f7/stm32f746g-disco/configs/dropbear/defconfig
@@ -24,8 +24,11 @@ CONFIG_ARMV7M_DTCM=y
 CONFIG_ARMV7M_ICACHE=y
 CONFIG_BOARD_LOOPSPERMSEC=43103
 CONFIG_BUILTIN=y
+CONFIG_CODECS_BASE64=y
+CONFIG_CRYPTO=y
 CONFIG_CRYPTO_CRYPTODEV=y
 CONFIG_CRYPTO_CRYPTODEV_SOFTWARE_CRYPTO=y
+CONFIG_CRYPTO_RANDOM_POOL=y
 CONFIG_CRYPTO_SW_AES=y
 CONFIG_DEBUG_SYMBOLS=y
 CONFIG_DEV_URANDOM=y
@@ -53,6 +56,7 @@ CONFIG_NETDB_DNSCLIENT=y
 CONFIG_NETINIT_DHCPC=y
 CONFIG_NETINIT_NETMASK=0xfffffe00
 CONFIG_NETINIT_NOMAC=y
+CONFIG_NETUTILS_CODECS=y
 CONFIG_NETUTILS_DHCPC=y
 CONFIG_NETUTILS_DISCOVER=y
 CONFIG_NETUTILS_DROPBEAR=y
diff --git a/boards/sim/sim/sim/configs/dropbear/defconfig b/boards/sim/sim/sim/configs/dropbear/defconfig
index 08374a62eb741..0f151f46f81d4 100644
--- a/boards/sim/sim/sim/configs/dropbear/defconfig
+++ b/boards/sim/sim/sim/configs/dropbear/defconfig
@@ -17,9 +17,11 @@ CONFIG_BOARD_LOOPSPERMSEC=0
 CONFIG_BOOT_RUNFROMEXTSRAM=y
 CONFIG_BUILTIN=y
 CONFIG_CODECS_BASE64=y
+CONFIG_CRYPTO=y
 CONFIG_CRYPTO_CRYPTODEV=y
 CONFIG_CRYPTO_CRYPTODEV_SOFTWARE_CRYPTO=y
 CONFIG_CRYPTO_MBEDTLS=y
+CONFIG_CRYPTO_RANDOM_POOL=y
 CONFIG_CRYPTO_SW_AES=y
 CONFIG_DEBUG_SYMBOLS=y
 CONFIG_DEV_GPIO=y