diff --git a/app/src/main/res/values-cy/strings.xml b/app/src/main/res/values-cy/strings.xml
index 98dcb670c..d60eb1d2e 100644
--- a/app/src/main/res/values-cy/strings.xml
+++ b/app/src/main/res/values-cy/strings.xml
@@ -1191,4 +1191,9 @@
     <string name="pref_colored_status_bar_summary">Apply the primary color to the status bar</string>
     <string name="pref_colored_status_bar_title">Status bar color</string>
     <string name="restore_default_theme">Restore a default theme</string>
+    <string name="import_theme">Import a theme</string>
+    <string name="import_theme_title">Tap here to import a theme from a previous export</string>
+    <string name="export_theme">Export the theme</string>
+    <string name="export_theme_title">Tap here to export the current theme</string>
+    <string name="theme_file_error">An error occurred when selecting the theme file</string>
 </resources>