diff --git a/CHANGELOG.md b/CHANGELOG.md
index 419ba40f..818c9346 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -13,6 +13,12 @@ All notable changes to this project will be documented in this file.
 
 - Update to [Wazuh v4.8.0](https://github.com/wazuh/wazuh/blob/v4.8.0/CHANGELOG.md#v480)
 
+## [v4.7.3]
+
+### Added
+
+- Update to [Wazuh v4.7.3](https://github.com/wazuh/wazuh/blob/v4.7.3/CHANGELOG.md#v473)
+
 ## [v4.7.2]
 
 ### Added
diff --git a/README.md b/README.md
index f6500870..f5426f7a 100644
--- a/README.md
+++ b/README.md
@@ -18,6 +18,7 @@ These playbooks install and configure Wazuh agent, manager and indexer and dashb
 |---------------|---------|--------|
 | v4.8.1        |         |        |
 | v4.8.0        |         |        |
+| v4.7.3        |         |        |
 | v4.7.2        |         |        |
 | v4.7.1        |         |        |
 | v4.7.0        |         |        |
diff --git a/roles/wazuh/wazuh-indexer/defaults/main.yml b/roles/wazuh/wazuh-indexer/defaults/main.yml
index cf7c35c5..f73075b1 100644
--- a/roles/wazuh/wazuh-indexer/defaults/main.yml
+++ b/roles/wazuh/wazuh-indexer/defaults/main.yml
@@ -28,7 +28,6 @@ domain_name: wazuh.com
 
 indexer_sec_plugin_conf_path: /etc/wazuh-indexer/opensearch-security
 indexer_sec_plugin_tools_path: /usr/share/wazuh-indexer/plugins/opensearch-security/tools
-indexer_bin_path: /usr/share/wazuh-indexer/bin
 indexer_conf_path: /etc/wazuh-indexer
 indexer_index_path: /var/lib/wazuh-indexer/
 
diff --git a/roles/wazuh/wazuh-indexer/tasks/security_actions.yml b/roles/wazuh/wazuh-indexer/tasks/security_actions.yml
index aea2138c..8d4f8797 100644
--- a/roles/wazuh/wazuh-indexer/tasks/security_actions.yml
+++ b/roles/wazuh/wazuh-indexer/tasks/security_actions.yml
@@ -94,14 +94,6 @@
     register: result
     until: result.rc == 0
 
-  - name: Initialize ISM script
-    command: >
-      {{ indexer_bin_path }}/indexer-ism-init.sh
-      -p {{ indexer_admin_password }}
-      -i {{ target_address }}
-    become: yes
-    become_user: root
-
   when: inventory_hostname == ansible_play_hosts[0]
 
 - name: Create custom user