diff --git a/target/allwinner/mandolin-perf1/defconfig b/target/allwinner/mandolin-perf1/defconfig
index 0a2f3d0e4..02a63b242 100644
--- a/target/allwinner/mandolin-perf1/defconfig
+++ b/target/allwinner/mandolin-perf1/defconfig
@@ -1257,7 +1257,13 @@ CONFIG_BUSYBOX_DEFAULT_FEATURE_SH_MATH_64=y
 # CONFIG_PACKAGE_ca-certificates is not set
 # CONFIG_PACKAGE_dnsmasq is not set
 # CONFIG_PACKAGE_dnsmasq-full is not set
-# CONFIG_PACKAGE_dropbear is not set
+CONFIG_PACKAGE_dropbear=y
+
+#
+# Configuration
+#
+CONFIG_DROPBEAR_CURVE25519=y
+# CONFIG_DROPBEAR_ECC is not set
 # CONFIG_PACKAGE_ead is not set
 # CONFIG_PACKAGE_eudev is not set
 # CONFIG_PACKAGE_firewall is not set