diff --git a/data/countries/CO.yaml b/data/countries/CO.yaml
index 0cc0456e..16b2514a 100644
--- a/data/countries/CO.yaml
+++ b/data/countries/CO.yaml
@@ -37,6 +37,8 @@ holidays:
           en: Sacred Heart
       monday after 06-29:
         _name: 06-29
+      monday after 07-09:
+        _name: 07-09
       07-20:
         _name: Independence Day
       08-07: