diff --git a/browser/locales/all-locales b/browser/locales/all-locales
index b5df631de88..c1344840056 100644
--- a/browser/locales/all-locales
+++ b/browser/locales/all-locales
@@ -1,4 +1,5 @@
 cs
+ga-IE
 hu
 nb-NO
 nl-NL
diff --git a/toolkit/locales/all-locales b/toolkit/locales/all-locales
index b5df631de88..c1344840056 100644
--- a/toolkit/locales/all-locales
+++ b/toolkit/locales/all-locales
@@ -1,4 +1,5 @@
 cs
+ga-IE
 hu
 nb-NO
 nl-NL