diff --git a/src/Testcontainers.Pulsar/PulsarBuilder.cs b/src/Testcontainers.Pulsar/PulsarBuilder.cs
index 86ba5e3bf..173690c6f 100644
--- a/src/Testcontainers.Pulsar/PulsarBuilder.cs
+++ b/src/Testcontainers.Pulsar/PulsarBuilder.cs
@@ -4,7 +4,7 @@ namespace Testcontainers.Pulsar;
 [PublicAPI]
 public sealed class PulsarBuilder : ContainerBuilder<PulsarBuilder, PulsarContainer, PulsarConfiguration>
 {
-    public const string PulsarImage = "apachepulsar/pulsar:3.0.6";
+    public const string PulsarImage = "apachepulsar/pulsar:3.0.9";
 
     public const ushort PulsarBrokerDataPort = 6650;
 
@@ -12,7 +12,7 @@ public sealed class PulsarBuilder : ContainerBuilder<PulsarBuilder, PulsarContai
 
     public const string StartupScriptFilePath = "/testcontainers.sh";
 
-    public const string SecretKeyFilePath = "/pulsar/secret.key";
+    public const string SecretKeyFilePath = "/tmp/secret.key";
 
     public const string Username = "test-user";
 
diff --git a/src/Testcontainers.Pulsar/PulsarContainer.cs b/src/Testcontainers.Pulsar/PulsarContainer.cs
index 3989fe7f4..290a88bdd 100644
--- a/src/Testcontainers.Pulsar/PulsarContainer.cs
+++ b/src/Testcontainers.Pulsar/PulsarContainer.cs
@@ -105,7 +105,7 @@ internal Task CopyStartupScriptAsync(CancellationToken ct = default)
             startupScript.WriteLine("export brokerClientAuthenticationParameters=token:$(bin/pulsar tokens create --secret-key $PULSAR_PREFIX_tokenSecretKey --subject $superUserRoles)");
             startupScript.WriteLine("export CLIENT_PREFIX_authParams=$brokerClientAuthenticationParameters");
             startupScript.WriteLine("bin/apply-config-from-env.py conf/standalone.conf");
-            startupScript.WriteLine("bin/apply-config-from-env-with-prefix.py CLIENT_PREFIX_ conf/client.conf");
+            startupScript.WriteLine("bin/apply-config-from-env.py --prefix CLIENT_PREFIX_ conf/client.conf");
         }
 
         startupScript.Write("bin/pulsar standalone");
diff --git a/tests/Testcontainers.Pulsar.Tests/PulsarContainerTest.cs b/tests/Testcontainers.Pulsar.Tests/PulsarContainerTest.cs
index d5a45498a..76eac8184 100644
--- a/tests/Testcontainers.Pulsar.Tests/PulsarContainerTest.cs
+++ b/tests/Testcontainers.Pulsar.Tests/PulsarContainerTest.cs
@@ -84,4 +84,22 @@ public PulsarAuthConfiguration()
         {
         }
     }
+    
+    [UsedImplicitly]
+    public sealed class PulsarDefaultConfigurationLts4 : PulsarContainerTest
+    {
+        public PulsarDefaultConfigurationLts4()
+            : base(new PulsarBuilder().WithImage("apachepulsar/pulsar:4.0.2").Build(), false)
+        {
+        }
+    }
+    
+    [UsedImplicitly]
+    public sealed class PulsarAuthConfigurationLts4 : PulsarContainerTest
+    {
+        public PulsarAuthConfigurationLts4()
+            : base(new PulsarBuilder().WithImage("apachepulsar/pulsar:4.0.2").WithAuthentication().Build(), true)
+        {
+        }
+    }
 }
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