diff --git a/package.mask/all b/package.mask/all
index 42a59e1..549ffae 100644
--- a/package.mask/all
+++ b/package.mask/all
@@ -2,6 +2,7 @@
 >=dev-db/mongodb-3.6
 >=dev-db/postgresql-11
 >=dev-lang/php-7.3
+>=dev-libs/icu-64
 >media-fonts/noto-20170403
 media-libs/libjpeg-turbo
 =media-libs/netpbm-10.76.00