diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8f987a2..01d76ad 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,16 @@
+# [4.0.0](https://gitlab.com/fedran/sand-and-blood/compare/v3.1.0...v4.0.0) (2020-01-02)
+
+
+### Features
+
+* updated theme to newest version ([17ca658](https://gitlab.com/fedran/sand-and-blood/commit/17ca658a14baec4ed7c4e728ec6c8fa443e70c8c))
+
+
+### BREAKING CHANGES
+
+* theme version is a major change and caused page numbers
+to change
+
 # Changelog
 
 All notable changes to this project will be documented in this file.