diff --git a/CHANGELOG.markdown b/CHANGELOG.markdown
index e82cc99..9576a2a 100644
--- a/CHANGELOG.markdown
+++ b/CHANGELOG.markdown
@@ -1,3 +1,17 @@
+# [1.2.0](https://github.com/RedPRL/ocaml-bwd/compare/1.1.0...1.2.0) (2022-04-09)
+
+
+### Bug Fixes
+
+* fix the completely incorrect `filter` ([d1c7aa8](https://github.com/RedPRL/ocaml-bwd/commit/d1c7aa8ac08f973d30032e6c2d615585f3e42452))
+
+
+### Features
+
+* add `nth_opt` ([fdb18bb](https://github.com/RedPRL/ocaml-bwd/commit/fdb18bb914f2e6ab760141ef5492fe33e077ae02))
+
+
+
 # [1.1.0](https://github.com/RedPRL/ocaml-bwd/compare/1.0.0...1.1.0) (2022-03-30)