diff --git a/dev-php/php-redmine-api/php-redmine-api-1.5.16.ebuild b/dev-php/php-redmine-api/php-redmine-api-1.5.16.ebuild
index 74bf4b9df9405..a49c9672f8005 100644
--- a/dev-php/php-redmine-api/php-redmine-api-1.5.16.ebuild
+++ b/dev-php/php-redmine-api/php-redmine-api-1.5.16.ebuild
@@ -13,7 +13,7 @@ KEYWORDS="~amd64 ~x86"
 IUSE="test"
 RESTRICT="!test? ( test )"
 
-RDEPEND="dev-lang/php:*[curl,json,simplexml]"
+RDEPEND="dev-lang/php:*[curl,json(+),simplexml]"
 BDEPEND="test? ( ${RDEPEND} <dev-php/phpunit-6 )"
 
 src_install() {
diff --git a/dev-php/php-redmine-api/php-redmine-api-1.5.9.ebuild b/dev-php/php-redmine-api/php-redmine-api-1.5.9.ebuild
index 0a816cb06bb62..770222f7cad66 100644
--- a/dev-php/php-redmine-api/php-redmine-api-1.5.9.ebuild
+++ b/dev-php/php-redmine-api/php-redmine-api-1.5.9.ebuild
@@ -13,7 +13,7 @@ KEYWORDS="amd64 x86"
 IUSE="test"
 RESTRICT="!test? ( test )"
 
-RDEPEND="dev-lang/php:*[curl,json,simplexml]"
+RDEPEND="dev-lang/php:*[curl,json(+),simplexml]"
 DEPEND="test? ( ${RDEPEND} <dev-php/phpunit-6 )"
 
 src_install() {