diff --git a/CHANGELOG.md b/CHANGELOG.md
index edcbc1df..b681f1ea 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -24,6 +24,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   - add missing "borders" column in CSV export
   - handle false values as "0"
 - fix error when running index.mjs
+- fix duplicate idd suffixes for Canada (#544)
 
 ## [5.0.0] - 2023-09-17
 ### Breaking changes
diff --git a/countries.json b/countries.json
index 4b22817a..9297087f 100644
--- a/countries.json
+++ b/countries.json
@@ -6672,17 +6672,13 @@
                 "778",
                 "780",
                 "782",
-                "782",
                 "807",
                 "819",
                 "825",
                 "867",
-                "867",
-                "867",
                 "873",
                 "879",
                 "902",
-                "902",
                 "905",
                 "942"
             ]