diff --git a/app/src/main/res/values-cy/strings.xml b/app/src/main/res/values-cy/strings.xml
index e7ee0d978..4cecf9781 100644
--- a/app/src/main/res/values-cy/strings.xml
+++ b/app/src/main/res/values-cy/strings.xml
@@ -890,6 +890,10 @@
     <string name="set_photo_editor">Enable photo editor</string>
     <string name="add_poll_item">Add a poll item</string>
     <string name="remove_poll_item">Remove last poll item</string>
+    <string name="mute_conversation">Mute conversation</string>
+    <string name="unmute_conversation">Unmute conversation</string>
+    <string name="toast_unmute_conversation">The conversation is no longer muted!</string>
+    <string name="toast_mute_conversation">The conversation is muted</string>
     <plurals name="number_of_vote">
         <item quantity="zero">%d votes</item>
         <item quantity="one">%d vote</item>