diff --git a/package/c-ares/c-ares.mk b/package/c-ares/c-ares.mk
index c858887a18..77ae4b968f 100644
--- a/package/c-ares/c-ares.mk
+++ b/package/c-ares/c-ares.mk
@@ -7,6 +7,7 @@
 C_ARES_VERSION = 1.10.0
 C_ARES_SITE = http://c-ares.haxx.se/download
 C_ARES_INSTALL_STAGING = YES
+C_ARES_CONF_OPTS = --with-random=/dev/urandom
 # Rebuild configure to avoid XC_CHECK_USER_CFLAGS
 C_ARES_AUTORECONF = YES
 C_ARES_LICENSE = MIT