diff --git a/janusgraph-server/src/test/java/org/janusgraph/graphdb/tinkerpop/JanusGraphSerializerBaseIT.java b/janusgraph-server/src/test/java/org/janusgraph/graphdb/tinkerpop/JanusGraphSerializerBaseIT.java
index 2c45cbce52..c2a1a6e789 100644
--- a/janusgraph-server/src/test/java/org/janusgraph/graphdb/tinkerpop/JanusGraphSerializerBaseIT.java
+++ b/janusgraph-server/src/test/java/org/janusgraph/graphdb/tinkerpop/JanusGraphSerializerBaseIT.java
@@ -14,6 +14,7 @@
 
 package org.janusgraph.graphdb.tinkerpop;
 
+import org.apache.commons.lang3.RandomStringUtils;
 import org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.GraphTraversal;
 import org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.GraphTraversalSource;
 import org.apache.tinkerpop.gremlin.structure.T;
@@ -70,6 +71,21 @@ public void testPropertiesWriteAndRead(boolean useCustomId) {
         assertEquals(4, g.V().properties().toList().size());
     }
 
+    @ParameterizedTest
+    @ValueSource(ints = {500, 1_000, 1_000_000, 10_000_000, 20_000_000, 21_000_000})
+    public void testWriteLargeString(int stringLength) throws Exception {
+        setUp(false);
+        try (GraphTraversalSource g = traversal()) {
+            GraphTraversal<Vertex, Vertex> t = g.addV("largeStringTestLabel");
+            String largeStringPropertyKey = "largeString";
+            String largeStringValue = RandomStringUtils.random(stringLength, 'a', 'b', 'c', 'd', 'e', 'f');
+            Vertex initialVertex = t.property(largeStringPropertyKey, largeStringValue).next();
+
+            Vertex recalledVertex = g.V().hasLabel("largeStringTestLabel").has(largeStringPropertyKey, largeStringValue).next();
+            assertEquals(initialVertex.id(), recalledVertex.id());
+        }
+    }
+
     @ParameterizedTest
     @ValueSource(booleans = {true, false})
     public void testGeoshapePointsWriteAndRead(boolean useCustomId, TestInfo testInfo) {
diff --git a/janusgraph-server/src/test/resources/janusgraph-server-with-serializers.yaml b/janusgraph-server/src/test/resources/janusgraph-server-with-serializers.yaml
index 9a105a8b8e..d7467a2baa 100644
--- a/janusgraph-server/src/test/resources/janusgraph-server-with-serializers.yaml
+++ b/janusgraph-server/src/test/resources/janusgraph-server-with-serializers.yaml
@@ -29,7 +29,7 @@ scriptEngines: {
 serializers:
     - { className: org.apache.tinkerpop.gremlin.util.ser.GraphBinaryMessageSerializerV1, config: { ioRegistries: [org.janusgraph.graphdb.tinkerpop.JanusGraphIoRegistry] }}
     - { className: org.apache.tinkerpop.gremlin.util.ser.GraphBinaryMessageSerializerV1, config: { serializeResultToString: true }}
-    - { className: org.apache.tinkerpop.gremlin.util.ser.GraphSONMessageSerializerV3, config: { ioRegistries: [org.janusgraph.graphdb.tinkerpop.JanusGraphIoRegistry] }}
+    - { className: org.apache.tinkerpop.gremlin.util.ser.GraphSONMessageSerializerV3, config: { ioRegistries: [org.janusgraph.graphdb.tinkerpop.JanusGraphIoRegistry], maxStringLength: 25000000 }}
     # Older serialization versions for backwards compatibility:
     - { className: org.apache.tinkerpop.gremlin.util.ser.GraphSONMessageSerializerGremlinV2d0, config: { ioRegistries: [org.janusgraph.graphdb.tinkerpop.JanusGraphIoRegistry] }}
     - { className: org.apache.tinkerpop.gremlin.util.ser.GraphSONMessageSerializerV1, config: { ioRegistries: [org.janusgraph.graphdb.tinkerpop.JanusGraphIoRegistryV1d0] }}
@@ -46,7 +46,7 @@ metrics: {
 maxInitialLineLength: 4096
 maxHeaderSize: 8192
 maxChunkSize: 8192
-maxContentLength: 65536
+maxContentLength: 25000000
 maxAccumulationBufferComponents: 1024
 resultIterationBatchSize: 64
 writeBufferLowWaterMark: 32768