diff --git a/src/Symfony/Component/Intl/Resources/bin/icu.ini b/src/Symfony/Component/Intl/Resources/bin/icu.ini
index 7f1ad90a6a..adfb71643d 100644
--- a/src/Symfony/Component/Intl/Resources/bin/icu.ini
+++ b/src/Symfony/Component/Intl/Resources/bin/icu.ini
@@ -8,3 +8,5 @@
 49 = http://source.icu-project.org/repos/icu/icu/tags/release-49-1-2/source
 50 = http://source.icu-project.org/repos/icu/icu/tags/release-50-1-2/source
 51 = http://source.icu-project.org/repos/icu/icu/tags/release-51-2/source
+52 = http://source.icu-project.org/repos/icu/icu/tags/release-52-1/source
+53 = http://source.icu-project.org/repos/icu/icu/tags/release-53-1/source