diff --git a/spring-ai-spring-boot-testcontainers/src/main/java/org/springframework/ai/testcontainers/service/connection/mongo/MongoDbAtlasLocalContainerConnectionDetailsFactory.java b/spring-ai-spring-boot-testcontainers/src/main/java/org/springframework/ai/testcontainers/service/connection/mongo/MongoDbAtlasLocalContainerConnectionDetailsFactory.java
index 32bd405326e..71e156db973 100644
--- a/spring-ai-spring-boot-testcontainers/src/main/java/org/springframework/ai/testcontainers/service/connection/mongo/MongoDbAtlasLocalContainerConnectionDetailsFactory.java
+++ b/spring-ai-spring-boot-testcontainers/src/main/java/org/springframework/ai/testcontainers/service/connection/mongo/MongoDbAtlasLocalContainerConnectionDetailsFactory.java
@@ -83,8 +83,8 @@ public ConnectionString getConnectionString() {
 		public SslBundle getSslBundle() {
 			if (GET_SSL_BUNDLE_METHOD != null) { // Boot 3.5.x+
 				try {
-					return (SslBundle) MethodHandles.lookup()
-						.in(GET_SSL_BUNDLE_METHOD.getDeclaringClass())
+					MethodHandles.Lookup origin = MethodHandles.lookup().in(getClass());
+					return (SslBundle) MethodHandles.privateLookupIn(GET_SSL_BUNDLE_METHOD.getDeclaringClass(), origin)
 						.unreflectSpecial(GET_SSL_BUNDLE_METHOD, GET_SSL_BUNDLE_METHOD.getDeclaringClass())
 						.bindTo(this)
 						.invokeWithArguments();