diff --git a/flink-runtime-web/src/test/java/org/apache/flink/runtime/rest/compatibility/RestAPIStabilityTest.java b/flink-runtime-web/src/test/java/org/apache/flink/runtime/rest/compatibility/RestAPIStabilityTest.java
index cc9d0c0d72697..b10dba6f065b1 100644
--- a/flink-runtime-web/src/test/java/org/apache/flink/runtime/rest/compatibility/RestAPIStabilityTest.java
+++ b/flink-runtime-web/src/test/java/org/apache/flink/runtime/rest/compatibility/RestAPIStabilityTest.java
@@ -25,6 +25,8 @@
 import org.apache.flink.util.TestLogger;
 
 import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.core.JsonProcessingException;
+import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.core.util.DefaultIndenter;
+import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.core.util.DefaultPrettyPrinter;
 import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.databind.JsonNode;
 import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.databind.ObjectMapper;
 import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.databind.node.ObjectNode;
@@ -98,7 +100,9 @@ private static void writeSnapshot(
             final String versionedSnapshotFileName, final RestAPISnapshot snapshot)
             throws IOException {
         OBJECT_MAPPER
-                .writerWithDefaultPrettyPrinter()
+                .writer(
+                        new DefaultPrettyPrinter()
+                                .withObjectIndenter(new DefaultIndenter().withLinefeed("\n")))
                 .writeValue(new File("src/test/resources/" + versionedSnapshotFileName), snapshot);
         System.out.println(
                 "REST API snapshot "