diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7ac7576b..2397eedc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -22,6 +22,7 @@ All notable changes to this project will be documented in this file.
 - BREAKING: Inject the vector aggregator address into the vector config using the env var `VECTOR_AGGREGATOR_ADDRESS` instead
     of having the operator write it to the vector config ([#704]).
 - test: Bump to Vector `0.46.1` ([#719]).
+- test: Bump OPA to `1.4.2` ([#721]).
 
 ### Fixed
 
@@ -39,6 +40,7 @@ All notable changes to this project will be documented in this file.
 [#714]: https://github.com/stackabletech/druid-operator/pull/714
 [#716]: https://github.com/stackabletech/druid-operator/pull/716
 [#719]: https://github.com/stackabletech/druid-operator/pull/719
+[#721]: https://github.com/stackabletech/druid-operator/pull/721
 
 ## [25.3.0] - 2025-03-21
 
diff --git a/tests/templates/kuttl/authorizer/02-install-opa.yaml.j2 b/tests/templates/kuttl/authorizer/02-install-opa.yaml.j2
index 75c75f55..55d4d724 100644
--- a/tests/templates/kuttl/authorizer/02-install-opa.yaml.j2
+++ b/tests/templates/kuttl/authorizer/02-install-opa.yaml.j2
@@ -29,7 +29,12 @@ metadata:
   name: test-opa
 spec:
   image:
+{% if test_scenario['values']['opa'].find(",") > 0 %}
+    custom: "{{ test_scenario['values']['opa'].split(',')[1] }}"
+    productVersion: "{{ test_scenario['values']['opa'].split(',')[0] }}"
+{% else %}
     productVersion: "{{ test_scenario['values']['opa'] }}"
+{% endif %}
     pullPolicy: IfNotPresent
 {% if lookup('env', 'VECTOR_AGGREGATOR') %}
   clusterConfig:
diff --git a/tests/test-definition.yaml b/tests/test-definition.yaml
index a6994f21..b2ef40ff 100644
--- a/tests/test-definition.yaml
+++ b/tests/test-definition.yaml
@@ -31,7 +31,7 @@ dimensions:
       - 3.9.3
   - name: opa
     values:
-      - 1.0.1
+      - 1.4.2
   - name: hadoop
     values:
       - 3.4.1