diff --git a/firestore/CHANGES.md b/firestore/CHANGES.md
index 3ae7aab5c876..92d63c713cc6 100644
--- a/firestore/CHANGES.md
+++ b/firestore/CHANGES.md
@@ -1,5 +1,12 @@
 # Changes
 
+## [1.4.0](https://www.github.com/googleapis/google-cloud-go/compare/firestore/v1.3.0...v1.4.0) (2020-12-03)
+
+
+### Features
+
+* **firestore:** support "!=" and "not-in" query operators ([#3207](https://www.github.com/googleapis/google-cloud-go/issues/3207)) ([5c44019](https://www.github.com/googleapis/google-cloud-go/commit/5c440192105fe3e9b5dd1b584118b309113935e3)), closes [/firebase.google.com/support/release-notes/js#version_7210_-_september_17_2020](https://www.github.com/googleapis//firebase.google.com/support/release-notes/js/issues/version_7210_-_september_17_2020)
+
 ## v1.3.0
 
 - Add support for LimitToLast feature for queries. This allows
@@ -30,4 +37,4 @@
 ## v1.0.0
 
 This is the first tag to carve out firestore as its own module. See:
-https://github.com/golang/go/wiki/Modules#is-it-possible-to-add-a-module-to-a-multi-module-repository.
\ No newline at end of file
+https://github.com/golang/go/wiki/Modules#is-it-possible-to-add-a-module-to-a-multi-module-repository.