diff --git a/rs_cyrl.yaml b/rs_cyrl.yaml
index 9c2c2b9..0e9d97b 100644
--- a/rs_cyrl.yaml
+++ b/rs_cyrl.yaml
@@ -54,6 +54,7 @@ months:
     mday: 2
   - name: Дан победе над фашизмом # Victory Day
     regions: [rs_cyrl]
+    type: informal
     mday: 9
   6:
   - name: Видовдан # Saint Vitus Day
@@ -93,6 +94,7 @@ tests:
   - given:
       date: '2017-5-9'
       regions: ["rs_cyrl"]
+      options: ["informal"]
     expect:
       name: "Дан победе над фашизмом"
   - given:
diff --git a/rs_la.yaml b/rs_la.yaml
index a871b90..b8630e5 100644
--- a/rs_la.yaml
+++ b/rs_la.yaml
@@ -54,6 +54,7 @@ months:
     mday: 2
   - name: Dan pobede # Victory Day
     regions: [rs_la]
+    type: informal
     mday: 9
   6:
   - name: Vidovdan # Saint Vitus Day
@@ -93,6 +94,7 @@ tests:
   - given:
       date: '2017-5-9'
       regions: ["rs_la"]
+      options: ["informal"]
     expect:
       name: "Dan pobede"
   - given: