diff --git a/guava/src/test/java/com/fasterxml/jackson/datatype/guava/CacheSerializationTest.java b/guava/src/test/java/com/fasterxml/jackson/datatype/guava/CacheSerializationTest.java
index eac3024e..a82c53ed 100644
--- a/guava/src/test/java/com/fasterxml/jackson/datatype/guava/CacheSerializationTest.java
+++ b/guava/src/test/java/com/fasterxml/jackson/datatype/guava/CacheSerializationTest.java
@@ -43,6 +43,7 @@ public CacheContainerWithBean() {
         }
     }
 
+    @JsonPropertyOrder({ "name", "age" })
     static class Bean90 {
         public String name;
         public Integer age;