diff --git a/base/redhat-8/Dockerfile b/base/redhat-8/Dockerfile
index 5c9cc528..21c0d708 100644
--- a/base/redhat-8/Dockerfile
+++ b/base/redhat-8/Dockerfile
@@ -16,7 +16,7 @@
 # the container catalog moved from registry.access.redhat.com to registry.redhat.io
 # So at some point before they deprecate the old registry we have to make sure that
 # we have access to the new registry and change where we pull the ubi image from.
-FROM registry.access.redhat.com/ubi8/ubi-minimal:8.1
+FROM registry.access.redhat.com/ubi8/ubi-minimal:8.1-328
 LABEL name="splunk" \
       maintainer="support@splunk.com" \
       vendor="splunk" \
diff --git a/tests/test_docker_splunk.py b/tests/test_docker_splunk.py
index d85dc9eb..7e657647 100644
--- a/tests/test_docker_splunk.py
+++ b/tests/test_docker_splunk.py
@@ -703,6 +703,42 @@ def test_adhoc_1so_preplaybook(self):
             except OSError:
                 pass
 
+    def test_adhoc_1so_splunk_launch_conf(self):
+        # Create a splunk container
+        cid = None
+        try:
+            splunk_container_name = generate_random_string()
+            cid = self.client.create_container(self.SPLUNK_IMAGE_NAME, tty=True, ports=[8089], name=splunk_container_name,
+                                            environment={
+                                                            "DEBUG": "true", 
+                                                            "SPLUNK_START_ARGS": "--accept-license",
+                                                            "SPLUNK_PASSWORD": self.password,
+                                                            "SPLUNK_LAUNCH_CONF": "OPTIMISTIC_ABOUT_FILE_LOCKING=1,HELLO=WORLD"
+                                                        },
+                                            host_config=self.client.create_host_config(port_bindings={8089: ("0.0.0.0",)})
+                                            )
+            cid = cid.get("Id")
+            self.client.start(cid)
+            # Poll for the container to be ready
+            assert self.wait_for_containers(1, name=splunk_container_name)
+            # Check splunkd
+            splunkd_port = self.client.port(cid, 8089)[0]["HostPort"]
+            url = "https://localhost:{}/services/server/info".format(splunkd_port)
+            kwargs = {"auth": ("admin", self.password), "verify": False}
+            status, content = self.handle_request_retry("GET", url, kwargs)
+            assert status == 200
+            # Check splunk-launch.conf
+            exec_command = self.client.exec_create(cid, r'cat /opt/splunk/etc/splunk-launch.conf', user="splunk")
+            std_out = self.client.exec_start(exec_command)
+            assert "OPTIMISTIC_ABOUT_FILE_LOCKING=1" in std_out
+            assert "HELLO=WORLD" in std_out
+        except Exception as e:
+            self.logger.error(e)
+            raise e
+        finally:
+            if cid:
+                self.client.remove_container(cid, v=True, force=True)
+
     def test_adhoc_1so_change_tailed_files(self):
         # Create a splunk container
         cid = None