diff --git a/holidays/holidays.qrc b/holidays/holidays.qrc
--- a/holidays/holidays.qrc
+++ b/holidays/holidays.qrc
@@ -39,7 +39,7 @@
         <file>plan2/holiday_de-bb_de</file>
         <file>plan2/holiday_de-bw_de</file>
         <file>plan2/holiday_de-by_de</file>
-        <file>plan2/holiday_de-hh_de</file>
+        <file>plan2/holiday_de-he_de</file>
         <file>plan2/holiday_de-mv_de</file>
         <file>plan2/holiday_de-ni_de</file>
         <file>plan2/holiday_de-nw_de</file>
diff --git a/holidays/plan2/holiday_de-hh_de b/holidays/plan2/holiday_de-he_de
rename from holidays/plan2/holiday_de-hh_de
rename to holidays/plan2/holiday_de-he_de