diff --git a/History.markdown b/History.markdown
index 542d8a16..683e48d1 100644
--- a/History.markdown
+++ b/History.markdown
@@ -43,6 +43,7 @@
   * Write regeneration metadata even on full rebuild (#3464)
   * Perf: Use `String#end_with?("/")` instead of regexp when checking paths (#3516)
   * Docs: document 'ordinal' built-in permalink style (#3532)
+  * Upgrade liquid-c to 3.x (#3531)
 
 ### Bug Fixes