diff --git a/GITLAB_ELASTICSEARCH_INDEXER_VERSION b/GITLAB_ELASTICSEARCH_INDEXER_VERSION
index f0bb29e76388856b273698ae6064b0380ce5e5d2..88c5fb891dcf1d1647d2b84bac0630cf9570d213 100644
--- a/GITLAB_ELASTICSEARCH_INDEXER_VERSION
+++ b/GITLAB_ELASTICSEARCH_INDEXER_VERSION
@@ -1 +1 @@
-1.3.0
+1.4.0
diff --git a/changelogs/unreleased/bump-elasticsearch-indexer-to-v1-4-0.yml b/changelogs/unreleased/bump-elasticsearch-indexer-to-v1-4-0.yml
new file mode 100644
index 0000000000000000000000000000000000000000..561514a2dc4d35c2cc69311c0dd189a9067a12c5
--- /dev/null
+++ b/changelogs/unreleased/bump-elasticsearch-indexer-to-v1-4-0.yml
@@ -0,0 +1,5 @@
+---
+title: Bump GITLAB_ELASTICSEARCH_INDEXER_VERSION=v1.4.0
+merge_request: 18558
+author:
+type: fixed