diff --git a/ansible/group_vars/omero-hosts.yml b/ansible/group_vars/omero-hosts.yml
index e1fc6ed4..5d263fac 100644
--- a/ansible/group_vars/omero-hosts.yml
+++ b/ansible/group_vars/omero-hosts.yml
@@ -55,7 +55,7 @@ zarrreader_jars:
 zarrpixelbuffer_jars:
   - name: omero-zarr-pixel-buffer
     group: com/glencoesoftware/omero
-    version: "0.4.1"
+    version: "0.6.1"
 
 zarrpixelbuffer_dep_jars:
   - name: caffeine
@@ -70,6 +70,9 @@ zarrpixelbuffer_dep_jars:
   - name: aws-java-sdk-s3
     group: com/amazonaws
     version: "1.12.659"
+  - name: tika-core
+    group: org/apache/tika
+    version: "1.28.5"
 
 ice_install_devel: false
 ice_install_python: false
diff --git a/ansible/idr-omero-readonly.yml b/ansible/idr-omero-readonly.yml
index a4fe50a7..9bfc993f 100644
--- a/ansible/idr-omero-readonly.yml
+++ b/ansible/idr-omero-readonly.yml
@@ -256,5 +256,7 @@
 
   roles:
   - role: ome.omero_ms_image_region
+    omero_ms_image_region_download_URL: 'https://github.com/ome/omero-ms-image-region/releases/download/v2025.11.05/omero-ms-image-region-0.10.0_21.zip'
+    omero_ms_image_region_package_sha256: 128c1d27059c748a828908d60619814ace65376bc3040b5d8146154579a13003
 
   environment: "{{ idr_ANSIBLE_ENVIRONMENT_VARIABLES | default({}) }}"
diff --git a/ansible/requirements.yml b/ansible/requirements.yml
index 0967af24..fb1acc64 100644
--- a/ansible/requirements.yml
+++ b/ansible/requirements.yml
@@ -91,7 +91,7 @@
   version: 2.0.0
 
 - src: ome.postgresql
-  version: 5.4.0
+  version: 5.5.1
 
 - name: ome.postgresql_client
   version: 0.4.3
@@ -124,7 +124,7 @@
   version: 1.1.0
 
 - name: ome.omero_ms_image_region
-  version: 1.1.0
+  version: 1.2.0
 
 ######################################################################
 # External IDR roles