diff --git a/configs/czechlight_clearfog_defconfig b/configs/czechlight_clearfog_defconfig
index 20781b2..09151d9 100644
--- a/configs/czechlight_clearfog_defconfig
+++ b/configs/czechlight_clearfog_defconfig
@@ -52,6 +52,7 @@
 BR2_PACKAGE_LIBGPIOD_TOOLS=y
 BR2_PACKAGE_NETOPEER2=y
 BR2_PACKAGE_NETOPEER2_CLI=y
+BR2_PACKAGE_NGHTTP2_MRUBY=y
 BR2_PACKAGE_ELFUTILS=y
 BR2_PACKAGE_LIBUNWIND=y
 BR2_PACKAGE_LINUX_PAM=y