diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7855bac..4b4c16b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,10 @@
 # Changelog
 
-Notable changes to the esqueue project. Pay attention to `[BREAKING]` changes when upgrading.
+Notable changes to the esqueue project. Pay attention to `[BREAKING]` changes when upgrading in pre-1.0 versions. As of 1.0, breaking changes will only happen in major versions.
+
+## v2.0.0
+
+- Change `sting` mappings to `keyword`, since [string is deprecated and is being removed from elasticsearch](https://www.elastic.co/guide/en/elasticsearch/reference/current/breaking_50_mapping_changes.html#_literal_string_literal_fields_replaced_by_literal_text_literal_literal_keyword_literal_fields)
 
 ## v1.0.0