diff --git a/src/build_template.py b/src/build_template.py
index f9f3cfd..c0856c2 100644
--- a/src/build_template.py
+++ b/src/build_template.py
@@ -23,6 +23,7 @@ NRW_HOLIDAYS_2025 = [
     ("2025-06-19", "Fronleichnam", "NRW"),
     ("2025-10-03", "Tag der Deutschen Einheit", "NRW"),
     ("2025-11-01", "Allerheiligen", "NRW"),
+    ("2025-12-24", "Heiligabend", "NRW"),
     ("2025-12-25", "1. Weihnachtstag", "NRW"),
     ("2025-12-26", "2. Weihnachtstag", "NRW"),
 ]
@@ -37,6 +38,7 @@ NRW_HOLIDAYS_2026 = [
     ("2026-06-04", "Fronleichnam", "NRW"),
     ("2026-10-03", "Tag der Deutschen Einheit", "NRW"),
     ("2026-11-01", "Allerheiligen", "NRW"),
+    ("2026-12-24", "Heiligabend", "NRW"),
     ("2026-12-25", "1. Weihnachtstag", "NRW"),
     ("2026-12-26", "2. Weihnachtstag", "NRW"),
 ]