diff --git a/README.md b/README.md
index 80f2843..c33bf9d 100644
--- a/README.md
+++ b/README.md
@@ -10,6 +10,7 @@ This role supports the following,
 
 - Supports RHEL9, Debian and Ubuntu
 - Install and configure OpenSearch from `elan.opencast_repository`
+- Install analysis-icu OpenSearch plugin (required by Opencast 17+)
 - Disables the OpenSearch security plugin completely. Use a reverse
   proxy to secure OpenSearch with HTTP Basic Auth and TLS.
 
diff --git a/molecule/default/converge.yml b/molecule/default/converge.yml
index a369e34..a7b7eef 100644
--- a/molecule/default/converge.yml
+++ b/molecule/default/converge.yml
@@ -2,7 +2,7 @@
 - name: Converge
   hosts: all
   vars:
-    opencast_version_major: 15
+    opencast_version_major: 17
     opencast_repository_enabled_release: true
     opencast_opensearch_heap_size: 100m
   tasks:
diff --git a/tasks/opensearch.yml b/tasks/opensearch.yml
index 17045e1..2c7c3ae 100644
--- a/tasks/opensearch.yml
+++ b/tasks/opensearch.yml
@@ -1,14 +1,18 @@
 ---
 - name: OpenSearch Install on Debian
   ansible.builtin.apt:
-    name: opensearch
+    name:
+      - opensearch
+      - opensearch-analysis-icu
     state: present
     update_cache: true
   when: ansible_os_family == 'Debian'
 
 - name: OpenSearch Install on EL
   ansible.builtin.dnf:
-    name: opensearch
+    name:
+      - opensearch
+      - opensearch-plugin-analysis-icu
     state: present
     enablerepo: "{{ opencast_repository_identifiers }}"
     update_cache: true