diff --git a/README.md b/README.md
index 56af710a3e..06f1ce190b 100644
--- a/README.md
+++ b/README.md
@@ -56,13 +56,13 @@ implementation 'com.google.cloud:google-cloud-bigquerystorage'
 If you are using Gradle without BOM, add this to your dependencies:
 
 ```Groovy
-implementation 'com.google.cloud:google-cloud-bigquerystorage:2.33.0'
+implementation 'com.google.cloud:google-cloud-bigquerystorage:2.33.1'
 ```
 
 If you are using SBT, add this to your dependencies:
 
 ```Scala
-libraryDependencies += "com.google.cloud" % "google-cloud-bigquerystorage" % "2.33.0"
+libraryDependencies += "com.google.cloud" % "google-cloud-bigquerystorage" % "2.33.1"
 ```
 
 ## Authentication
diff --git a/google-cloud-bigquerystorage/src/main/java/com/google/cloud/bigquery/storage/v1/JsonToProtoMessage.java b/google-cloud-bigquerystorage/src/main/java/com/google/cloud/bigquery/storage/v1/JsonToProtoMessage.java
index 27cd9ef41a..c402d66f54 100644
--- a/google-cloud-bigquerystorage/src/main/java/com/google/cloud/bigquery/storage/v1/JsonToProtoMessage.java
+++ b/google-cloud-bigquerystorage/src/main/java/com/google/cloud/bigquery/storage/v1/JsonToProtoMessage.java
@@ -355,7 +355,7 @@ private static void fillField(
             } else if (val instanceof BigDecimal) {
               protoMsg.setField(
                   fieldDescriptor,
-                  BigDecimalByteStringEncoder.encodeToNumericByteString((BigDecimal) val));
+                  BigDecimalByteStringEncoder.encodeToBigNumericByteString((BigDecimal) val));
               return;
             }
           }
@@ -603,7 +603,7 @@ private static void fillRepeatedField(
             } else if (val instanceof BigDecimal) {
               protoMsg.addRepeatedField(
                   fieldDescriptor,
-                  BigDecimalByteStringEncoder.encodeToNumericByteString((BigDecimal) val));
+                  BigDecimalByteStringEncoder.encodeToBigNumericByteString((BigDecimal) val));
               added = true;
             }
           }
diff --git a/google-cloud-bigquerystorage/src/test/java/com/google/cloud/bigquery/storage/v1/JsonToProtoMessageTest.java b/google-cloud-bigquerystorage/src/test/java/com/google/cloud/bigquery/storage/v1/JsonToProtoMessageTest.java
index 62daf66950..91785ce0ec 100644
--- a/google-cloud-bigquerystorage/src/test/java/com/google/cloud/bigquery/storage/v1/JsonToProtoMessageTest.java
+++ b/google-cloud-bigquerystorage/src/test/java/com/google/cloud/bigquery/storage/v1/JsonToProtoMessageTest.java
@@ -984,7 +984,7 @@ public void testStructComplex() throws Exception {
                 BigDecimalByteStringEncoder.encodeToNumericByteString(new BigDecimal(5D)))
             .setTestBignumeric(
                 BigDecimalByteStringEncoder.encodeToBigNumericByteString(
-                    new BigDecimal("578960446186580977117854925043439539266.3")))
+                    new BigDecimal("578960446186580977117854925043439539266.3222222222")))
             .addTestBignumericStr(
                 BigDecimalByteStringEncoder.encodeToBigNumericByteString(new BigDecimal("1.23")))
             .setTestBignumericShort(
@@ -1047,9 +1047,7 @@ public void testStructComplex() throws Exception {
     json.put("test_numeric_float", 4f);
     json.put("test_numeric_double", 5D);
     json.put(
-        "test_bignumeric",
-        BigDecimalByteStringEncoder.encodeToBigNumericByteString(
-            new BigDecimal("578960446186580977117854925043439539266.3")));
+        "test_bignumeric", new BigDecimal("578960446186580977117854925043439539266.3222222222"));
     json.put("test_bignumeric_str", new JSONArray(new String[] {"1.23"}));
     json.put("test_bignumeric_short", 1);
     json.put("test_bignumeric_int", 2);
@@ -1415,6 +1413,31 @@ public void testDoubleAndFloatToNumericConversion() {
     assertEquals(expectedProto, protoMsg);
   }
 
+  @Test
+  public void testBigDecimalToBigNumericConversion() {
+    TableSchema ts =
+        TableSchema.newBuilder()
+            .addFields(
+                0,
+                TableFieldSchema.newBuilder()
+                    .setName("bignumeric")
+                    .setType(TableFieldSchema.Type.BIGNUMERIC)
+                    .setMode(TableFieldSchema.Mode.REPEATED)
+                    .build())
+            .build();
+    TestBignumeric expectedProto =
+        TestBignumeric.newBuilder()
+            .addBignumeric(
+                BigDecimalByteStringEncoder.encodeToBigNumericByteString(
+                    new BigDecimal("24.6789012345")))
+            .build();
+    JSONObject json = new JSONObject();
+    json.put("bignumeric", Collections.singletonList(new BigDecimal("24.6789012345")));
+    DynamicMessage protoMsg =
+        JsonToProtoMessage.convertJsonToProtoMessage(TestBignumeric.getDescriptor(), ts, json);
+    assertEquals(expectedProto, protoMsg);
+  }
+
   @Test
   public void testDoubleAndFloatToRepeatedBigNumericConversion() {
     TableSchema ts =