diff --git a/.gitignore b/.gitignore
index e4531ca..3d9efed 100644
--- a/.gitignore
+++ b/.gitignore
@@ -170,3 +170,6 @@ thunderbird-langpacks-3.1.2-20100803.tar.bz2
 /thunderbird-52.0.source.tar.xz
 /thunderbird-langpacks-52.0-20170404.tar.xz
 /l10n-lightning-52.0.tar.xz
+/thunderbird-52.1.0.source.tar.xz
+/thunderbird-langpacks-52.1.0-20170502.tar.xz
+/l10n-lightning-52.1.0.tar.xz
diff --git a/sources b/sources
index c82f165..66c1a04 100644
--- a/sources
+++ b/sources
@@ -1,3 +1,3 @@
-SHA512 (thunderbird-52.0.source.tar.xz) = 215de8ae386f6f12d7a4338bb03bac956410be0dd4de5cca218e12241e3948c8c2540756e149bfde597cd10e399b4cb4db86619a2aa50a368ba323b413c1f93c
-SHA512 (thunderbird-langpacks-52.0-20170404.tar.xz) = be92897cd7b07ba2d342ac680d1e555cebda2fa92ba3639d9f07973382ae73f9fd01c0d8bad5c04b3c6bdb4c87ba2de9c04368c16b7855bbff1e0d0fe039c0e2
-SHA512 (l10n-lightning-52.0.tar.xz) = 59ad2611c2c658bc0c7c136f116adc8e11e51a7db7fadea3aaf1ffeafda6d6230e888be2af3f38a6ebb87a760145d79a2c7f62d2724c977307238a149dc2969a
+SHA512 (thunderbird-52.1.0.source.tar.xz) = 08016334a0cc8af96d5c5b9aad0b8bf1ca3c105ff4a412abbeaeefefda1301cb149eafb4e78314f710567b952267d1d3c999dc8e5534a4a8d06abdcb11ee98c8
+SHA512 (thunderbird-langpacks-52.1.0-20170502.tar.xz) = e9e7fef3b440f6ce7a9cae6ba3ae1b5093d5d582b04c16054ada120c52b62faab1feaa9a4aa4601e1fd2554a31fcfd5460503b25fdc94045b2954976267147d5
+SHA512 (l10n-lightning-52.1.0.tar.xz) = 2e336da73af96deaaf32af4b91af63edbb98538c1ccb137bbf0da6e5a96cefb88b539986ecf73f7f92cd4183f74d4011de99aba373c92af014419251d3bd3395