diff --git a/CHANGELOG.md b/CHANGELOG.md
index d63246b2..db8d1b79 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -21,6 +21,7 @@
 - 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 ([#600]).
 - test: Bump to Vector 0.46.1 ([#620]).
+- test: Bump OPA to `1.4.2` ([#624]).
 
 ### Fixed
 
@@ -34,6 +35,7 @@
 [#608]: https://github.com/stackabletech/airflow-operator/pull/608
 [#613]: https://github.com/stackabletech/airflow-operator/pull/613
 [#620]: https://github.com/stackabletech/airflow-operator/pull/620
+[#624]: https://github.com/stackabletech/airflow-operator/pull/624
 
 ## [25.3.0] - 2025-03-21
 
diff --git a/tests/templates/kuttl/opa/20-install-opa.yaml.j2 b/tests/templates/kuttl/opa/20-install-opa.yaml.j2
index c9beec62..b82531c9 100644
--- a/tests/templates/kuttl/opa/20-install-opa.yaml.j2
+++ b/tests/templates/kuttl/opa/20-install-opa.yaml.j2
@@ -10,7 +10,12 @@ metadata:
   name: opa
 spec:
   image:
+{% if test_scenario['values']['opa-latest'].find(",") > 0 %}
+    custom: "{{ test_scenario['values']['opa-latest'].split(',')[1] }}"
+    productVersion: "{{ test_scenario['values']['opa-latest'].split(',')[0] }}"
+{% else %}
     productVersion: "{{ test_scenario['values']['opa-latest'] }}"
+{% endif %}
     pullPolicy: IfNotPresent
   clusterConfig:
 {% if lookup('env', 'VECTOR_AGGREGATOR') %}
diff --git a/tests/test-definition.yaml b/tests/test-definition.yaml
index 73e8948e..c70153fb 100644
--- a/tests/test-definition.yaml
+++ b/tests/test-definition.yaml
@@ -18,7 +18,7 @@ dimensions:
       # - 2.9.3,oci.stackable.tech/sandbox/airflow:2.9.3-stackable0.0.0-dev
   - name: opa-latest
     values:
-      - 1.0.1
+      - 1.4.2
   - name: ldap-authentication
     values:
       - no-tls